/* ═══════════════════════════════════════════════════════════
   BrainFlip — Stylesheet
   ═══════════════════════════════════════════════════════════ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --accent:#6C63FF;--accent2:#FF6584;--accent3:#43D9AD;
  --bg:#0F0E17;--surface:#1A1830;--surface2:#231F3A;--surface3:#2D2850;
  --text:#FFFFFE;--text2:#A7A9BE;--text3:#6B6D8A;
  --green:#43D9AD;--red:#FF6584;--orange:#FF9B3E;
  --border:rgba(255,255,255,0.08);
  --radius:16px;--radius-sm:10px;--radius-xs:6px;
  --shadow:0 8px 32px rgba(0,0,0,0.4);
}
.theme-light{
  --bg:#F5F4FF;--surface:#FFF;--surface2:#EDECFA;--surface3:#E2E0F5;
  --text:#1A1830;--text2:#4A4870;--text3:#9B99BB;
  --border:rgba(108,99,255,0.12);--shadow:0 8px 32px rgba(108,99,255,0.1);
}
.theme-fun{
  --bg:#FFF5E6;--surface:#FFF;--surface2:#FFF0D6;--surface3:#FFE4B5;
  --text:#1A0A2E;--text2:#5C3A7E;--text3:#9B7DB5;
  --accent:#FF6B6B;--accent2:#FFB347;--accent3:#4ECDC4;
  --border:rgba(255,107,107,0.15);
}
body{font-family:'Nunito Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;transition:background .3s,color .3s;font-size:15px;line-height:1.6}
h1,h2,h3,h4{font-family:'Nunito',sans-serif}
button{cursor:pointer;font-family:'Nunito Sans',sans-serif;border:none;outline:none;transition:all .2s}
input,textarea,select{font-family:'Nunito Sans',sans-serif;outline:none}

/* ── Layout ── */
.app{max-width:940px;margin:0 auto;padding:20px 16px}

/* ── Loading ── */
.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:16px}
.loading-logo{font-size:56px}
.loading-title{font-family:'Nunito',sans-serif;font-size:28px;font-weight:800;color:var(--text)}
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Login ── */
.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 36px;width:100%;max-width:420px;text-align:center;box-shadow:var(--shadow)}
.login-logo{font-size:52px;margin-bottom:16px}
.login-title{font-size:28px;font-weight:900;margin-bottom:6px;color:var(--text)}
.login-sub{font-size:14px;color:var(--text3);margin-bottom:28px}
.login-divider{display:flex;align-items:center;gap:12px;margin-bottom:20px;color:var(--text3);font-size:12px;font-weight:600}
.login-divider::before,.login-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.sso-list{display:flex;flex-direction:column;gap:10px}
.sso-btn{display:flex;align-items:center;gap:12px;padding:13px 18px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-weight:700;transition:all .2s;text-align:left}
.sso-btn:hover{background:var(--surface3);border-color:var(--accent);transform:translateY(-1px)}
.sso-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.sso-icon{width:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.login-footer{font-size:11px;color:var(--text3);margin-top:20px;line-height:1.5}

/* ── Header ── */
.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;padding:14px 20px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);flex-wrap:wrap;gap:10px}
.logo{display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.logo-text{font-family:'Nunito',sans-serif;font-size:20px;font-weight:800;color:var(--text)}
.logo-sub{font-size:11px;color:var(--text3);display:block;font-weight:400;margin-top:-2px}
.header-right{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.conn-pill{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;border:1px solid}
.conn-pill.ok{background:rgba(67,217,173,0.1);color:var(--green);border-color:rgba(67,217,173,0.3)}
.conn-pill.warn{background:rgba(255,155,62,0.1);color:var(--orange);border-color:rgba(255,155,62,0.3)}
.conn-dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}
.theme-btn{padding:6px 11px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text2);font-size:12px;font-weight:700}
.theme-btn:hover{background:var(--surface3);color:var(--text)}
.theme-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.settings-btn{width:34px;height:34px;border-radius:var(--radius-xs);background:var(--surface2);border:1px solid var(--border);color:var(--text2);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.settings-btn:hover{background:var(--surface3)}
.settings-btn.has-warning{border-color:var(--orange)}
.user-pill{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;background:var(--surface2);border:1px solid var(--border);border-radius:20px;cursor:pointer;transition:all .2s}
.user-pill:hover{border-color:var(--accent)}
.user-pill-wrap{position:relative}
.user-pill-caret{font-size:10px;color:var(--text3);margin-left:2px}
.user-menu{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);min-width:240px;box-shadow:0 8px 32px rgba(0,0,0,0.4);z-index:200;overflow:hidden}
.user-menu-info{display:flex;align-items:center;gap:12px;padding:14px 16px}
.user-menu-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0}
.user-menu-avatar-ph{width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.user-menu-name{font-size:13px;font-weight:800;color:var(--text)}
.user-menu-email{font-size:11px;color:var(--text3);margin-top:1px}
.user-menu-divider{height:1px;background:var(--border)}
.user-menu-themes{display:flex;align-items:center;justify-content:space-between;padding:10px 16px}
.user-menu-themes-label{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.8px}
.user-menu-theme-btns{display:flex;gap:4px}
.um-theme-btn{width:32px;height:32px;border-radius:var(--radius-xs);background:var(--surface2);border:1px solid var(--border);font-size:15px;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center}
.um-theme-btn:hover{background:var(--surface3);border-color:var(--accent)}
.um-theme-btn.active{background:var(--accent);border-color:var(--accent)}
.user-menu-item{display:block;width:100%;padding:11px 16px;background:none;border:none;color:var(--red);font-size:13px;font-weight:700;text-align:left;cursor:pointer;transition:background .15s}
.user-menu-item:hover{background:rgba(255,101,132,0.08)}
.user-menu-item-normal{color:var(--text2)}
.user-menu-item-normal:hover{background:var(--surface2)}
.user-menu-item-warn{color:var(--orange)!important}
.user-avatar{width:26px;height:26px;border-radius:50%;object-fit:cover}
.user-avatar-placeholder{width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.user-name{font-size:12px;font-weight:700;color:var(--text)}

/* ── Stats ── */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:22px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;text-align:center}
.stat-val{font-size:26px;font-weight:800;font-family:'Nunito',sans-serif;color:var(--accent)}
.stat-val.streak{color:var(--orange)}
.stat-val.green{color:var(--green)}
.stat-label{font-size:11px;color:var(--text3);font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-top:2px}

/* ── Nav tabs ── */
.nav-tabs{display:flex;gap:6px;margin-bottom:22px;background:var(--surface);padding:6px;border-radius:var(--radius-sm);border:1px solid var(--border)}
.nav-tab{flex:1;padding:9px 8px;border-radius:var(--radius-xs);font-size:13px;font-weight:700;color:var(--text3);background:transparent;text-align:center;transition:all .2s;border:none;cursor:pointer}
.nav-tab:hover{color:var(--text);background:var(--surface2)}
.nav-tab.active{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(108,99,255,0.3)}

/* ── Deck grid ── */
.deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.deck-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:all .2s;position:relative;overflow:visible}
.deck-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:var(--radius) var(--radius) 0 0}
.deck-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--accent)}
.deck-icon{font-size:28px;margin-bottom:10px}
.deck-name{font-size:15px;font-weight:700;font-family:'Nunito',sans-serif;margin-bottom:5px;color:var(--text)}
.deck-meta{font-size:12px;color:var(--text3)}
.deck-progress{height:4px;background:var(--surface3);border-radius:2px;margin-top:10px;overflow:hidden}
.deck-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent3));border-radius:2px;transition:width .5s}
.deck-actions{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.deck-actions-row{display:flex;gap:6px}
.due-badge{position:absolute;top:10px;right:10px;background:var(--red);color:#fff;font-size:10px;font-weight:800;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.deck-card.paused{opacity:0.55}
.deck-card.paused::before{background:var(--text3)}
.deck-card.paused:hover{border-color:var(--border);transform:none}
.paused-badge{position:absolute;top:10px;right:10px;background:var(--surface3);color:var(--text3);font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;border:1px solid var(--border)}
.mastery-row{display:flex;align-items:center;gap:8px;margin-top:8px;margin-bottom:2px}
.mastery-bar{flex:1;height:4px;border-radius:2px;background:rgba(255,255,255,0.07);overflow:hidden}
.mastery-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--green));border-radius:2px;transition:width .4s}
.mastery-label{font-size:10px;color:var(--text3);white-space:nowrap;font-weight:600}
.theme-light .mastery-bar{background:rgba(0,0,0,0.08)}
.goal-bar{height:3px;border-radius:2px;background:rgba(255,255,255,0.1);overflow:hidden;margin:4px 0 2px}
.goal-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:2px;transition:width .4s}
.goal-denom{font-size:13px;font-weight:400;color:var(--text3)}
.goal-done .stat-val{color:var(--green)}
.goal-done .goal-bar-fill{background:var(--green)}
.theme-light .goal-bar{background:rgba(0,0,0,0.08)}
.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:4px}
.ach-badge{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 10px;text-align:center;transition:all .2s}
.ach-badge:not(.ach-locked){border-color:var(--accent);background:linear-gradient(135deg,rgba(108,99,255,0.08),rgba(67,217,173,0.05))}
.ach-locked{opacity:0.45}
.ach-icon{font-size:26px;margin-bottom:6px}
.ach-name{font-size:11px;font-weight:800;color:var(--text);margin-bottom:3px}
.ach-desc{font-size:10px;color:var(--text3);line-height:1.4;margin-bottom:5px}
.ach-date{font-size:10px;color:var(--accent);font-weight:700}
.ach-locked .ach-date{color:var(--text3)}
.achievement-toast{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#2d2060,#1a3d30);border:1px solid var(--accent);bottom:80px;padding:14px 18px;min-width:240px}
.ach-toast-icon{font-size:28px;flex-shrink:0}
.ach-toast-title{font-size:10px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.ach-toast-name{font-size:14px;font-weight:800;color:#fff}
.theme-light .achievement-toast{background:linear-gradient(135deg,#ede9ff,#e0faf3)}
.add-deck-card{border:2px dashed var(--border);background:transparent;border-radius:var(--radius);padding:18px;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:150px;color:var(--text3)}
.add-deck-card:hover{border-color:var(--accent);color:var(--accent)}
.add-deck-card .plus{font-size:32px;margin-bottom:8px}
.add-deck-card span{font-size:13px;font-weight:700}

/* ── Buttons ── */
.btn-sm{padding:6px 12px;border-radius:var(--radius-xs);font-size:12px;font-weight:700;cursor:pointer;border:none;transition:all .2s}
.btn-study{width:100%;padding:9px 12px;border-radius:var(--radius-xs);font-size:13px;font-weight:700;cursor:pointer;border:none;transition:all .2s}
.btn-icon{width:34px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);font-size:14px;cursor:pointer;border:none;transition:all .2s;flex-shrink:0}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.1)}
.btn-ghost{background:var(--surface2);color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface3);color:var(--text)}
.btn-danger{background:rgba(255,101,132,0.12);color:var(--red);border:1px solid rgba(255,101,132,0.2)}
.btn-danger:hover{background:rgba(255,101,132,0.22)}
.btn-success{background:rgba(67,217,173,0.15);color:var(--green);border:1px solid rgba(67,217,173,0.3)}

/* ── Study ── */
.study-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.back-btn{padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text2);font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer}
.back-btn:hover{color:var(--text);background:var(--surface2)}
.progress-track{flex:1;height:8px;background:var(--surface2);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent3));border-radius:4px;transition:width .4s}
.progress-text{font-size:13px;color:var(--text3);font-weight:700;white-space:nowrap}
.card-scene{perspective:1200px;margin:0 auto 20px;max-width:600px}
.card-3d{position:relative;width:100%;height:280px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);cursor:pointer}
.card-3d.flipped{transform:rotateY(180deg)}
.card-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px solid var(--border)}
.card-front{background:var(--surface)}
.card-back{background:var(--surface);transform:rotateY(180deg)}
.card-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px;padding:4px 12px;border-radius:20px}
.card-front .card-label{background:rgba(108,99,255,0.15);color:var(--accent)}
.card-back .card-label{background:rgba(67,217,173,0.15);color:var(--green)}
.card-text{font-size:20px;font-weight:600;font-family:'Nunito',sans-serif;color:var(--text);line-height:1.4}
.tap-hint{font-size:12px;color:var(--text3);margin-top:16px}
.rating-row{display:flex;gap:10px;max-width:600px;margin:0 auto 16px}
.rating-btn{flex:1;padding:14px 8px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer}
.rating-btn:hover{transform:translateY(-2px);filter:brightness(1.1)}
.rating-btn .days{font-size:10px;font-weight:600;opacity:.7}
.btn-again{background:rgba(255,101,132,0.15);color:var(--red);border:1px solid rgba(255,101,132,0.3)}
.btn-hard{background:rgba(255,155,62,0.15);color:var(--orange);border:1px solid rgba(255,155,62,0.3)}
.btn-good{background:rgba(108,99,255,0.15);color:var(--accent);border:1px solid rgba(108,99,255,0.3)}
.btn-easy{background:rgba(67,217,173,0.15);color:var(--green);border:1px solid rgba(67,217,173,0.3)}
.ai-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;max-width:600px;margin:0 auto 16px}
.ai-panel-header{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.ai-badge{font-size:11px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:3px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}
.ai-response{font-size:13px;color:var(--text2);line-height:1.6;white-space:pre-wrap}
.ai-btns{display:flex;gap:8px;max-width:600px;margin:0 auto 16px}
.ai-btn{flex:1;padding:10px;border-radius:var(--radius-xs);font-size:12px;font-weight:700;background:var(--surface);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:all .2s}
.ai-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(108,99,255,0.05)}
.ai-btn:disabled{opacity:.5;cursor:not-allowed}

/* ── Session complete ── */
.session-complete{text-align:center;padding:40px 20px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border)}
.complete-icon{font-size:64px;margin-bottom:16px}
.complete-title{font-size:28px;font-weight:800;font-family:'Nunito',sans-serif;margin-bottom:8px}
.complete-sub{color:var(--text2);margin-bottom:24px}
.complete-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px;max-width:400px;margin-left:auto;margin-right:auto}
.complete-stat{background:var(--surface2);border-radius:var(--radius-xs);padding:12px}
.complete-stat-val{font-size:22px;font-weight:800;font-family:'Nunito',sans-serif}
.complete-stat-label{font-size:11px;color:var(--text3);font-weight:700}

/* ── Cards view ── */
.cards-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px}
.cards-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.cards-toolbar .search-input{flex:1;min-width:180px}
.search-input{flex:1;min-width:180px;max-width:300px;padding:9px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:13px;transition:border-color .2s}
.search-input:focus{border-color:var(--accent)}
.search-input::placeholder{color:var(--text3)}
.bulk-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);margin-bottom:10px;flex-wrap:wrap}
.bulk-count{font-size:13px;font-weight:700;color:var(--text);flex:1;min-width:80px}
.card-list{display:flex;flex-direction:column;gap:8px}
.card-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;display:flex;align-items:center;gap:12px;transition:border-color .15s,background .15s}
.card-item.card-selected{border-color:var(--accent);background:rgba(108,99,255,0.06)}
.card-checkbox{width:18px;height:18px;border-radius:4px;border:2px solid var(--border);background:var(--surface2);flex-shrink:0;transition:all .15s;display:flex;align-items:center;justify-content:center}
.card-checkbox.checked{background:var(--accent);border-color:var(--accent)}
.card-checkbox.checked::after{content:'✓';font-size:11px;font-weight:800;color:#fff;line-height:1}
.card-item-content{flex:1;min-width:0}
.card-q{font-size:13px;font-weight:600;color:var(--text);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-a{font-size:12px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-status{font-size:10px;font-weight:700;text-transform:uppercase;padding:3px 8px;border-radius:20px;white-space:nowrap;flex-shrink:0}
.status-new{background:rgba(108,99,255,0.15);color:var(--accent)}
.status-learning{background:rgba(255,155,62,0.15);color:var(--orange)}
.status-review{background:rgba(67,217,173,0.15);color:var(--green)}

/* ── AI Generator ── */
.ai-gen{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:22px}
.ai-gen-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ai-gen-title{font-size:16px;font-weight:800;font-family:'Nunito',sans-serif}
.gen-tabs{display:flex;gap:4px;margin-bottom:14px;background:var(--surface2);padding:4px;border-radius:var(--radius-xs)}
.gen-tab{flex:1;padding:7px 8px;border-radius:4px;font-size:12px;font-weight:700;color:var(--text3);background:transparent;border:none;cursor:pointer;transition:all .2s;text-align:center}
.gen-tab:hover{color:var(--text)}
.gen-tab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.2)}
.gen-row{display:flex;gap:8px}
.gen-input{flex:1;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:13px;transition:border-color .2s}
.gen-input:focus{border-color:var(--accent)}
.gen-input::placeholder{color:var(--text3)}
.gen-btn{padding:10px 20px;background:var(--accent);color:#fff;border-radius:var(--radius-xs);font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer;border:none;transition:all .2s}
.gen-btn:hover{filter:brightness(1.1)}
.gen-btn:disabled{opacity:.5;cursor:not-allowed}
.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:28px 20px;text-align:center;cursor:pointer;transition:all .25s;position:relative;background:var(--surface2)}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);background:rgba(108,99,255,0.06)}
.drop-zone-icon{font-size:36px;margin-bottom:10px}
.drop-zone-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px}
.drop-zone-sub{font-size:12px;color:var(--text3)}
.drop-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.img-preview-wrap{position:relative;display:inline-block;margin-top:12px}
.img-preview{max-width:100%;max-height:180px;border-radius:var(--radius-xs);border:1px solid var(--border);display:block}
.img-preview-remove{position:absolute;top:-8px;right:-8px;width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}
.gen-preview{display:flex;flex-direction:column;gap:8px}
.gen-card-preview{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);padding:12px 14px;display:flex;align-items:flex-start;gap:10px}
.gen-card-num{font-size:12px;font-weight:800;color:var(--accent);min-width:20px;flex-shrink:0;margin-top:1px}
.gen-card-q{font-size:13px;font-weight:600;color:var(--text);margin-bottom:3px}
.gen-card-a{font-size:12px;color:var(--text3)}
.img-count-badge{display:inline-block;background:rgba(108,99,255,0.15);color:var(--accent);font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;margin-left:6px}
.loading-indicator{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2)}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.72);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;backdrop-filter:blur(4px)}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:0;width:100%;max-width:560px;max-height:92vh;overflow-y:auto;display:flex;flex-direction:column}
.modal-header{padding:20px 24px 0;display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-shrink:0}
.modal-header h3{font-size:18px;font-weight:800}
.modal-close{width:30px;height:30px;border-radius:var(--radius-xs);background:var(--surface2);border:1px solid var(--border);color:var(--text3);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.modal-close:hover{color:var(--text);background:var(--surface3)}
.modal-body{padding:0 24px;flex:1;overflow-y:auto}
.modal-footer{padding:16px 24px 20px;flex-shrink:0;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--border);margin-top:20px}
.form-group{margin-bottom:16px}
.form-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text3);margin-bottom:6px;display:block}
.form-label-sub{font-size:11px;color:var(--text3);font-weight:400;text-transform:none;letter-spacing:0;margin-left:4px}
.form-input{width:100%;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:14px;transition:border-color .2s}
.form-input:focus{border-color:var(--accent)}
.form-input::placeholder{color:var(--text3)}
.preset-interval-btn{font-size:11px;font-family:'Nunito',sans-serif;font-weight:700;background:var(--surface2);border:1px solid var(--border);color:var(--text2);cursor:pointer;padding:5px 9px;border-radius:var(--radius-xs);white-space:nowrap;transition:border-color .15s,color .15s,background .15s}
.preset-interval-btn:hover{border-color:var(--accent);color:var(--accent)}
.preset-interval-btn.active{background:rgba(108,99,255,0.12);border-color:var(--accent);color:var(--accent)}
.form-textarea{width:100%;padding:10px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:14px;resize:vertical;min-height:80px;transition:border-color .2s}
.form-textarea:focus{border-color:var(--accent)}
.icon-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:6px}
.icon-opt{padding:8px;border-radius:var(--radius-xs);background:var(--surface2);border:1px solid var(--border);font-size:18px;cursor:pointer;text-align:center;transition:all .2s}
.icon-opt:hover,.icon-opt.selected{border-color:var(--accent);background:rgba(108,99,255,0.15)}

/* ── Settings ── */
.settings-tabs{display:flex;gap:4px;margin-bottom:22px;background:var(--surface2);padding:4px;border-radius:var(--radius-xs);flex-wrap:wrap}
.stab{flex:1;min-width:80px;padding:8px 6px;border-radius:4px;font-size:12px;font-weight:700;border:none;cursor:pointer;transition:all .2s;color:var(--text3);background:transparent;text-align:center}
.stab:hover{color:var(--text)}
.stab.active{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.2)}
.settings-section{margin-bottom:22px}
.settings-section-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text3);margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--surface2);border-radius:var(--radius-xs);margin-bottom:6px;gap:12px;border:1px solid transparent;transition:border-color .2s}
.settings-row-active{border-color:var(--accent) !important}
.settings-row-left{flex:1;min-width:0}
.settings-row-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px}
.settings-row-sub{font-size:11px;color:var(--text3)}
.sb-status-banner{padding:12px 14px;border-radius:var(--radius-xs);margin-bottom:14px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}
.sb-status-banner.ok{background:rgba(67,217,173,0.1);color:var(--green);border:1px solid rgba(67,217,173,0.25)}
.provider-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:10px;transition:border-color .2s}
.provider-card.active-provider{border-color:var(--accent)}
.provider-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.provider-logo{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.provider-name{font-size:13px;font-weight:700;color:var(--text)}
.provider-desc{font-size:11px;color:var(--text3)}
.provider-status{margin-left:auto;font-size:10px;font-weight:700;padding:3px 8px;border-radius:20px}
.pstatus-active{background:rgba(67,217,173,0.15);color:var(--green)}
.pstatus-configured{background:rgba(108,99,255,0.15);color:var(--accent)}
.pstatus-none{background:var(--surface3);color:var(--text3)}
.key-input-row{display:flex;gap:8px}
.key-input{flex:1;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:12px;font-family:monospace;transition:border-color .2s}
.key-input:focus{border-color:var(--accent)}
.key-input::placeholder{color:var(--text3)}
.danger-zone{background:rgba(255,101,132,0.06);border:1px solid rgba(255,101,132,0.2);border-radius:var(--radius-sm);padding:14px 16px}
.danger-zone-title{font-size:12px;font-weight:700;color:var(--red);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}

/* ── Empty / misc ── */
.empty{text-align:center;padding:40px 20px;color:var(--text3)}
.empty-icon{font-size:48px;margin-bottom:12px}
.empty-text{font-size:14px;font-weight:600}
.toast{position:fixed;bottom:24px;right:24px;padding:12px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;z-index:9999;animation:slideUp .3s ease;max-width:320px;display:flex;align-items:center;gap:8px;box-shadow:0 8px 24px rgba(0,0,0,0.3)}
.toast.success{background:var(--green);color:#0F0E17}
.toast.error{background:var(--red);color:#fff}
.toast.info{background:var(--accent);color:#fff}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── Onboarding ── */
.onboarding{display:flex;flex-direction:column;align-items:center;text-align:center;padding:40px 24px 32px;max-width:460px;margin:0 auto}
.onboarding-logo{width:96px;height:96px;object-fit:contain;margin-bottom:18px}
.onboarding-title{font-size:22px;font-weight:800;margin:0 0 10px;color:var(--text)}
.onboarding-sub{font-size:14px;color:var(--text2);line-height:1.7;margin:0 0 26px;max-width:360px}
.onboarding-cta{font-size:15px;padding:14px 32px;border-radius:12px;border:none;background:var(--accent);color:#fff;cursor:pointer;font-weight:700;margin-bottom:22px;width:100%;max-width:280px}
.onboarding-or{font-size:12px;color:var(--text3);margin-bottom:12px}
.onboarding-templates{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.onboarding-tmpl{background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:10px 18px;font-size:13px;color:var(--text2);cursor:pointer;font-weight:600;transition:border-color .15s,color .15s}
.onboarding-tmpl:hover{border-color:var(--accent);color:var(--accent)}

/* ── Session Summary ── */
.session-rating-bar{height:8px;border-radius:4px;overflow:hidden;background:rgba(255,255,255,0.05);display:flex;width:100%;max-width:320px;margin:16px auto 6px}
.srb-seg{height:100%}
.srb-again{background:var(--red)}
.srb-hard{background:#F5A623}
.srb-good{background:var(--green)}
.srb-easy{background:#5B9CF6}
.srb-labels{display:flex;gap:10px;justify-content:center;margin-bottom:18px;flex-wrap:wrap}
.srb-lbl{font-size:11px;font-weight:700}
.srb-lbl-again{color:var(--red)}
.srb-lbl-hard{color:#F5A623}
.srb-lbl-good{color:var(--green)}
.srb-lbl-easy{color:#5B9CF6}
.upcoming-section{width:100%;max-width:360px;margin:0 auto 16px;text-align:left}
.upcoming-heading{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.upcoming-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;background:var(--surface2);border-radius:8px;margin-bottom:5px}
.upcoming-q{font-size:12px;color:var(--text2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upcoming-due-lbl{font-size:11px;font-weight:700;color:var(--accent);flex-shrink:0}

/* ── App Logo ── */
.app-logo-img{display:block;object-fit:contain}
.loading-logo .app-logo-img{width:120px;height:120px;margin:0 auto}
.login-logo .app-logo-img{width:90px;height:90px;margin:0 auto}
.header-logo-img{width:36px;height:36px;border-radius:8px}

/* ── Card Maturity Bar ── */
.mat-bar{height:6px;border-radius:3px;overflow:hidden;background:rgba(255,255,255,0.05);display:flex;margin-bottom:7px}
.mat-seg{height:100%;transition:width .3s}
.mat-new{background:#6C63FF}
.mat-learn{background:#F5A623}
.mat-mature{background:#4CAF50}
.mat-counts{display:flex;gap:5px;margin-bottom:12px;flex-wrap:wrap}
.mat-pill{font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap}
.mat-new-pill{background:rgba(108,99,255,0.18);color:#9D97FF}
.mat-learn-pill{background:rgba(245,166,35,0.18);color:#F5A623}
.mat-mature-pill{background:rgba(76,175,80,0.18);color:#66BB6A}
.theme-light .mat-bar{background:rgba(0,0,0,0.06)}
.theme-light .mat-new-pill{background:rgba(108,99,255,0.12);color:#5B5BD6}
.theme-light .mat-learn-pill{background:rgba(245,166,35,0.15);color:#C07D0A}
.theme-light .mat-mature-pill{background:rgba(76,175,80,0.15);color:#2E7D32}

/* ── Streak Heatmap ── */
.hm-section{margin:0 16px 20px;background:var(--surface2);border-radius:16px;padding:16px 18px;border:1px solid var(--border)}
.hm-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.hm-title{font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.5px}
.hm-meta{font-size:11px;color:var(--text3)}
.hm-outer{display:flex;gap:5px;align-items:flex-start}
.hm-days{display:flex;flex-direction:column;gap:2px;padding-top:20px;flex-shrink:0}
.hm-days span{height:11px;font-size:9px;color:var(--text3);line-height:11px}
.hm-scroll{overflow:visible;position:relative;flex:1;min-width:0}
.hm-months{position:relative;height:18px;margin-bottom:2px}
.hm-months span{position:absolute;font-size:10px;color:var(--text3);white-space:nowrap}
.hm-grid{display:grid;grid-template-columns:repeat(52,1fr);gap:2px}
.hm-week{display:flex;flex-direction:column;gap:2px}
.hm-cell{width:100%;aspect-ratio:1;border-radius:2px;min-width:0}
.hm-cell.l0{background:rgba(255,255,255,0.05)}
.hm-cell.l1{background:rgba(108,99,255,0.28)}
.hm-cell.l2{background:rgba(108,99,255,0.52)}
.hm-cell.l3{background:rgba(108,99,255,0.76)}
.hm-cell.l4{background:#6C63FF}
.hm-cell.hm-today{outline:2px solid var(--accent);outline-offset:1px}
.hm-cell.hm-future{opacity:0;pointer-events:none}
.hm-legend{display:flex;align-items:center;gap:3px;margin-top:10px;justify-content:flex-end}
.hm-legend-lbl{font-size:10px;color:var(--text3);margin:0 3px}
.hm-legend .hm-cell{width:11px;height:11px;aspect-ratio:unset;flex-shrink:0}
.theme-light .hm-cell.l0{background:rgba(0,0,0,0.07)}
.theme-light .hm-section{border-color:rgba(0,0,0,0.08)}
.theme-fun .hm-cell.l1{background:rgba(255,100,130,0.3)}
.theme-fun .hm-cell.l2{background:rgba(255,150,50,0.55)}
.theme-fun .hm-cell.l3{background:rgba(255,210,50,0.8)}
.theme-fun .hm-cell.l4{background:#7CFC00}
@media(max-width:600px){.hm-section{margin:0 12px 16px;padding:13px 14px}}

/* ── Platform AI ── */
.platform-ai-card{background:linear-gradient(135deg,rgba(108,99,255,0.08),rgba(67,217,173,0.06));border:1px solid rgba(108,99,255,0.3);border-radius:var(--radius-sm);padding:16px;margin-bottom:12px}
.platform-ai-card.active-provider{border-color:var(--accent);background:linear-gradient(135deg,rgba(108,99,255,0.15),rgba(67,217,173,0.1))}
.plat-desc{font-size:12px;color:var(--text3);margin-top:8px;line-height:1.6}
.plat-request-btn{margin-top:10px}
.plat-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:10px;font-weight:700;margin-left:6px;vertical-align:middle}
.plat-active{background:rgba(67,217,173,0.18);color:var(--green)}
.plat-pending{background:rgba(255,155,62,0.18);color:var(--orange)}
.plat-denied{background:rgba(255,101,132,0.18);color:var(--red)}

/* ── Cram Mode ── */
.cram-banner{background:rgba(255,155,62,0.12);border:1px solid rgba(255,155,62,0.35);color:var(--orange);font-size:12px;font-weight:600;text-align:center;padding:8px 16px;border-radius:var(--radius-xs);margin:10px 0 0}
.cram-note{font-size:12px;color:var(--text3);background:var(--surface2);border-radius:var(--radius-xs);padding:10px 14px;margin:10px 0;line-height:1.6}

/* ── Written Mode ── */
.written-banner{background:rgba(108,99,255,0.1);border:1px solid rgba(108,99,255,0.3);color:var(--accent);font-size:12px;font-weight:600;text-align:center;padding:8px 16px;border-radius:var(--radius-xs);margin:10px 0 0}
.written-input-wrap{display:flex;flex-direction:column;gap:10px;padding:0 16px 4px;margin:12px 0 0}
.written-input{width:100%;min-height:80px;padding:12px 14px;border-radius:var(--radius-xs);border:1px solid var(--border);background:var(--surface2);color:var(--text);font-size:15px;font-family:inherit;resize:vertical;line-height:1.5;box-sizing:border-box;transition:border-color .2s}
.written-input:focus{outline:none;border-color:var(--accent)}
.written-check-btn{align-self:flex-end;padding:10px 24px;font-size:14px;font-weight:700;border-radius:var(--radius-xs)}
.answer-compare{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px;margin:12px 0 0}
.answer-block{padding:12px 14px;border-radius:var(--radius-xs);border:1px solid var(--border);background:var(--surface2)}
.answer-block-label{font-size:10px;font-weight:800;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.answer-block-text{font-size:14px;color:var(--text);line-height:1.5;word-break:break-word}
.answer-block.answer-match{border-color:rgba(108,99,255,0.5);background:rgba(108,99,255,0.07)}
.answer-block.answer-match .answer-block-label{color:var(--accent)}
.answer-block.answer-block-correct{border-color:rgba(76,175,80,0.4);background:rgba(76,175,80,0.06)}
.answer-block.answer-block-correct .answer-block-label{color:var(--green)}
.written-rate-prompt{text-align:center;font-size:12px;color:var(--text3);margin:10px 0 0;font-weight:600}
.written-check-row{display:flex;align-items:center;justify-content:flex-end;gap:10px}
@media(max-width:480px){.answer-compare{grid-template-columns:1fr}}

/* ── Keyboard hints ── */
kbd{display:inline-flex;align-items:center;justify-content:center;padding:2px 6px;border-radius:4px;border:1px solid var(--border);background:var(--surface2);color:var(--text2);font-size:10px;font-family:inherit;font-weight:700;line-height:1.4;box-shadow:0 1px 0 var(--border)}
.kbd-hint{text-align:center;font-size:11px;color:var(--text3);padding:8px 16px 12px;display:flex;gap:6px;justify-content:center;flex-wrap:wrap;align-items:center}
.kbd-hint kbd{font-size:10px}
.kbd-hint-inline{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text3)}
.tap-hint kbd{font-size:10px;background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.12)}
.help-kbd-grid{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.help-kbd-row{display:flex;align-items:center;gap:12px;padding:6px 0;border-bottom:1px solid var(--border)}
.help-kbd-row:last-child{border-bottom:none}
.help-kbd-keys{display:flex;gap:4px;min-width:80px}
.help-kbd-desc{font-size:13px;color:var(--text2)}

/* ── Help Modal ── */
.help-tabs{display:flex;border-bottom:1px solid var(--border);padding:0 24px;gap:2px;background:var(--surface2)}
.help-tab-btn{background:none;border:none;color:var(--text3);font-size:13px;font-weight:600;padding:12px 14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s;white-space:nowrap}
.help-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.help-tab-btn:hover:not(.active){color:var(--text2)}
.help-section{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.help-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.help-section-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.help-p{font-size:13px;color:var(--text2);line-height:1.65}
.help-ol,.help-ul{font-size:13px;color:var(--text2);line-height:1.8;padding-left:18px;margin:8px 0}
.help-ol li,.help-ul li{margin-bottom:4px}
.help-faq{background:var(--surface2);border-radius:var(--radius-xs);padding:12px 14px;margin-top:8px}
.help-faq-q{font-size:13px;font-weight:700;color:var(--text);margin-bottom:4px}
.help-faq-a{font-size:12px;color:var(--text2);line-height:1.6}
.help-rating{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700;margin:2px 4px 2px 0}
.help-rating.again{background:rgba(255,101,132,0.15);color:var(--red)}
.help-rating.hard{background:rgba(255,155,62,0.15);color:var(--orange)}
.help-rating.good{background:rgba(108,99,255,0.15);color:var(--accent)}
.help-rating.easy{background:rgba(67,217,173,0.15);color:var(--green)}
/* Help component list */
.help-component-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.help-component-row{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;background:var(--surface2);border-radius:var(--radius-xs)}
.help-component-row>:first-child{flex-shrink:0;min-width:80px;display:flex;align-items:center}
.help-component-text{display:flex;flex-direction:column;gap:2px;font-size:12px}
.help-component-text strong{color:var(--text);font-size:13px}
.help-component-text span{color:var(--text2);line-height:1.5}
.help-chip{display:inline-flex;align-items:center;padding:4px 10px;background:var(--surface3);border-radius:6px;font-size:11px;font-weight:600;color:var(--text2)}
.help-stat-demo{display:flex;align-items:center;gap:6px;min-width:80px}
.help-stat-num{font-size:22px;font-weight:800}
/* Help mock deck card */
.help-mockdeck{display:flex;gap:20px;margin-top:10px;flex-wrap:wrap}
.help-mockdeck-inner{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;width:160px;flex-shrink:0;position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}
.help-mockdeck-due{position:absolute;top:10px;right:10px;background:var(--red);color:#fff;border-radius:50%;width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.help-mockdeck-labels{display:flex;flex-direction:column;gap:6px;flex:1;min-width:200px;justify-content:center}
.help-label{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text2);line-height:1.5}
.help-label-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:3px}
/* Rating grid */
.help-rating-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.help-rating-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);padding:12px;display:flex;flex-direction:column;gap:6px}
.help-rating-desc{font-size:12px;color:var(--text2);line-height:1.5}
/* AI modes grid */
.help-ai-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.help-ai-mode{background:var(--surface2);border-radius:var(--radius-xs);padding:14px;display:flex;flex-direction:column;gap:6px}
.help-ai-mode-icon{font-size:22px}
.help-ai-mode-title{font-size:13px;font-weight:700;color:var(--text)}
.help-ai-mode-desc{font-size:12px;color:var(--text2);line-height:1.5}
/* Card count table */
.help-count-table{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.help-count-row{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--surface2);border-radius:var(--radius-xs);font-size:12px;flex-wrap:wrap}
.help-count-source{flex:1;color:var(--text2);min-width:160px}
.help-count-arrow{color:var(--text3);font-weight:700}
.help-count-result{font-weight:700;white-space:nowrap}

/* ── Greeting bar ── */
.greeting-bar{padding:16px 20px 12px;border-bottom:1px solid var(--border);margin-bottom:16px}
.greeting-name{font-family:'Nunito',sans-serif;font-size:22px;font-weight:900;color:var(--text);margin-bottom:7px}
.mini-stats{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:12px;color:var(--text3);font-weight:600;border-radius:var(--radius-xs);padding:4px 6px 4px 0;transition:background .15s;width:fit-content}
.mini-stats:hover{background:var(--surface2)}
.mini-stats-arrow{color:var(--text3);font-size:11px;opacity:0.5;margin-left:2px}
.mini-stat{display:flex;align-items:center;gap:4px}
.mini-stat strong{color:var(--text2);font-weight:800}
.mini-fire{font-size:13px}
.mini-dot{color:var(--border);font-weight:400;padding:0 2px}
.mini-goal-done strong{color:var(--green)!important}

/* ── Deck list (replaces deck-grid) ── */
.deck-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.deck-list-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;transition:border-color .15s}
.deck-list-card:hover{border-color:rgba(108,99,255,0.35)}
.deck-list-card.paused{opacity:0.75}
.dl-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.dl-icon{width:44px;height:44px;border-radius:12px;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.dl-info{flex:1;min-width:0}
.dl-name{font-size:14px;font-weight:800;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-sub{font-size:11px;color:var(--text3);margin-top:1px}
.dl-badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:20px;font-size:11px;font-weight:800;flex-shrink:0;border:none;cursor:default}
.dl-badge-due{background:linear-gradient(135deg,var(--accent),#8B7FFF);color:#fff;cursor:pointer;transition:opacity .15s}
.dl-badge-due:hover{opacity:0.85}
.dl-badge-done{background:var(--surface2);color:var(--text3);border:1px solid var(--border)}
.dl-badge-paused{background:rgba(255,155,62,0.12);color:var(--orange);border:1px solid rgba(255,155,62,0.25)}
.dl-bar-row{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.dl-track{flex:1;height:5px;background:var(--surface3);border-radius:5px;overflow:hidden}
.dl-fill{height:100%;border-radius:5px;transition:width .4s}
.dl-pct{font-size:10px;color:var(--text3);font-weight:700;min-width:30px;text-align:right}
.dl-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.dl-actions .btn-study{flex:none;padding:8px 18px;font-size:12px}

/* ── Study timer ── */
.study-timer{font-size:11px;font-weight:700;color:var(--text3);font-variant-numeric:tabular-nums;min-width:36px;text-align:center}

/* ── Study screen (new card-first layout) ── */
.study-wrap{display:flex;flex-direction:column}
.study-header-slim{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 10px;border-bottom:1px solid var(--border)}
.study-pos{font-size:12px;font-weight:800;color:var(--text3)}
.study-thin-bar{height:3px;background:var(--surface3);overflow:hidden}
.study-thin-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent3));transition:width .3s}
.card-scene-full{padding:20px 16px;flex:1}
.card-scene-full .card-3d{width:100%;min-height:200px}

/* ── Rating row (new always-visible design) ── */
.rating-row-new{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border)}
.rbn{display:flex;flex-direction:column;align-items:center;gap:3px;padding:16px 6px 14px;background:transparent;border:none;border-right:1px solid var(--border);cursor:pointer;transition:background .15s;color:var(--text2)}
.rbn:last-child{border-right:none}
.rbn:hover:not(:disabled){background:var(--surface2)}
.rbn:disabled{opacity:0.3;cursor:default}
.rbn-icon{font-size:17px;font-weight:800}
.rbn-label{font-size:11px;font-weight:800}
.rbn-days{font-size:9px;color:var(--text3);font-weight:600}
.rbn-again{color:var(--red)}
.rbn-hard{color:var(--orange)}
.rbn-good{color:var(--accent)}
.rbn-easy{color:var(--green)}
.rbn:disabled .rbn-again,.rbn:disabled .rbn-icon{color:inherit}

/* ── Session tally ── */
.session-tally{display:flex;justify-content:space-around;padding:10px 16px;border-top:1px solid var(--border);background:var(--surface)}
.tally-item{display:flex;flex-direction:column;align-items:center;gap:1px}
.tally-val{font-size:18px;font-weight:800;font-family:'Nunito',sans-serif;line-height:1}
.tally-lbl{font-size:9px;color:var(--text3);font-weight:700;text-transform:uppercase;letter-spacing:.8px}

/* ── Cards view header ── */
.cards-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.cards-header-title{font-size:14px;font-weight:800;color:var(--text)}
.deck-inline-meta{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.deck-inline-icon{font-size:22px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xs);width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:border-color .15s}
.deck-inline-icon:hover{border-color:var(--accent)}
.deck-inline-name{flex:1;font-family:'Nunito',sans-serif;font-size:16px;font-weight:800;color:var(--text);background:transparent;border:none;border-bottom:2px solid transparent;padding:2px 4px;outline:none;min-width:0;transition:border-color .15s}
.deck-inline-name:hover{border-bottom-color:var(--border)}
.deck-inline-name:focus{border-bottom-color:var(--accent)}
.deck-inline-name-display{flex:1;font-family:'Nunito',sans-serif;font-size:16px;font-weight:800;color:var(--text);padding:2px 4px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.deck-edit-btn{font-size:13px;font-family:'Nunito',sans-serif;font-weight:700;background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;padding:4px 10px;border-radius:var(--radius-xs);flex-shrink:0;transition:border-color .15s,color .15s,background .15s}
.deck-edit-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--surface3)}
.deck-edit-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.deck-edit-btn.active:hover{background:var(--accent-dark,var(--accent));opacity:0.9}
/* Custom calendar icon showing number */
.cal-icon{display:inline-flex;flex-direction:column;align-items:center;width:34px;height:28px;background:var(--surface3);border:1.5px solid rgba(108,99,255,0.5);border-radius:5px;overflow:hidden;vertical-align:middle;flex-shrink:0}
.cal-top{display:block;width:100%;height:9px;background:var(--accent);flex-shrink:0}
.cal-num{display:block;font-family:'Nunito',sans-serif;font-size:11px;font-weight:900;color:var(--text);line-height:1;margin-top:1px;letter-spacing:-0.5px}
/* Maximum gap badge button on deck cards */
.btn-max-gap{padding:3px 5px!important;border-color:rgba(108,99,255,0.4)!important}
.btn-max-gap:hover{background:rgba(108,99,255,0.12)!important;border-color:var(--accent)!important}
.btn-max-gap:hover .cal-icon{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
/* CSS tooltip replacing native title — bold, styled */
[data-tip]{position:relative}
[data-tip]::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);background:#1a1730;color:#fff;font-size:12px;font-weight:700;font-family:'Nunito',sans-serif;white-space:nowrap;padding:5px 11px;border-radius:7px;pointer-events:none;opacity:0;transition:opacity .15s;z-index:9999;box-shadow:0 2px 8px rgba(0,0,0,0.4)}
[data-tip]::before{content:'';position:absolute;bottom:calc(100% + 2px);left:50%;transform:translateX(-50%);border:5px solid transparent;border-top-color:#1a1730;pointer-events:none;opacity:0;transition:opacity .15s;z-index:9999}
[data-tip]:hover::after,[data-tip]:hover::before{opacity:1}
/* Maximum gap chip on cards-view header (read-only) */
.deck-gap-chip{display:inline-flex;align-items:center;flex-shrink:0;cursor:default}
/* Maximum gap inline edit (edit mode) */
.deck-inline-gap{display:flex;align-items:center;gap:5px;flex-shrink:0}
.deck-gap-label{font-size:11px;color:var(--text3);font-weight:700;white-space:nowrap}
.deck-gap-input{width:62px;font-size:12px;text-align:center;background:var(--surface2);border:1px solid var(--accent);border-radius:var(--radius-xs);color:var(--text);padding:3px 6px;font-family:'Nunito',sans-serif}
.deck-gap-unit{font-size:11px;color:var(--text3);white-space:nowrap}
.icon-picker-inline{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;margin-bottom:16px}
.icon-picker-label{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px}

/* ── Metrics modal ── */
.metrics-modal{max-width:780px;width:100%}
.mx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:20px;overflow-y:auto;max-height:60vh}
.mx-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:0}
.mx-card-title{font-family:'Nunito',sans-serif;font-size:15px;font-weight:900;color:var(--text);margin-bottom:3px}
.mx-card-sub{font-size:11px;color:var(--text3);margin-bottom:14px;font-weight:600}
.mx-row{display:flex;align-items:center;padding:9px 0;border-bottom:1px solid var(--border)}
.mx-row:last-child{border-bottom:none}
.mx-label{font-size:12px;color:var(--text2);flex:1}
.mx-value{font-size:14px;font-weight:800;color:var(--text);font-family:'Nunito',sans-serif;margin-left:8px}
.mx-note{font-size:10px;color:var(--text3);margin-left:8px;white-space:nowrap}
.mx-heatmap{border-top:1px solid var(--border);padding:4px 0 0}
.mx-heatmap .hm-section{margin:0;border-radius:0;border:none;background:transparent;padding:16px 12px}
@media(max-width:680px){.mx-grid{grid-template-columns:1fr}}

/* ── Responsive ── */
@media(max-width:600px){
  .rating-row{flex-wrap:wrap}
  .rating-btn{min-width:calc(50% - 5px)}
  .deck-list{gap:8px}
  .dl-actions{gap:4px}
  .login-card{padding:28px 20px}
  .settings-tabs{gap:2px}
  .stab{font-size:11px;padding:6px 4px}
}