/* ============================================================================
   DBERT DESIGN SYSTEM — single source of truth (gold glassmorphism, Inter)
   ----------------------------------------------------------------------------
   Extracted from the internship portal (internship/templates/portal.html
   <style> block) so the website, internship portal, and tutor share ONE look.
   Copy this file verbatim into each app's static dir:
       internship/static/css/dbert-system.css
       tutor/app/static/dbert-system.css
       website/static/dbert-system.css
   Load with Inter + Font Awesome:
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap" rel="stylesheet"/>
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css"/>

   Sections:
     1. Tokens (:root) + legacy aliases
     2. Base / layout (sidebar, topbar, main)
     3. Components (glass-card, badges, buttons, forms, tables, steps, etc.)
     4. Shared additions NOT in the portal yet: sticky .topbar, .wa-fab,
        .trust-footer, .dbert-lite blur fallback, chat + learn helpers
     5. Responsive + a11y
   ========================================================================== */

/* ─────────────────────────── 1. TOKENS ─────────────────────────── */
:root{
  --bg-main:#0B0F17;
  --glass-bg:rgba(20,24,33,0.45);
  --glass-bg-hover:rgba(32,40,55,0.60);
  --glass-border:rgba(255,255,255,0.08);
  --glass-border-focus:rgba(255,255,255,0.25);
  --blur-radius:16px;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --gold:#E2B96F;
  --gold-2:#C9922A;
  --accent-ai:#8B5CF6;
  --accent-data:#3B82F6;
  --accent-dev:#10B981;
  --accent-auto:#F59E0B;
  --green:#4CAF50;
  --red:#FF6B6B;
  --amber:#FFB020;
  --blue:#64B5F6;
  --radius:18px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-glass:0 8px 32px rgba(0,0,0,0.40);

  /* Legacy aliases — map older token names used by tutor/website templates
     onto the canonical palette so we can delete their local :root blocks
     without leaving any undefined var. Add new aliases here as needed. */
  --bg:#0B0F17;
  --bg-dark:#0B0F17;
  --surface:rgba(20,24,33,0.45);
  --card-bg:rgba(20,24,33,0.45);
  --border:rgba(255,255,255,0.08);
  --text-main:#FFFFFF;
  --text-primary:#FFFFFF;
  --text-muted:#94A3B8;
  --text-secondary:#94A3B8;
  --primary:#E2B96F;
  --accent:#E2B96F;
  --accent-gold:#E2B96F;
  --success:#4CAF50;
  --danger:#FF6B6B;
  --error:#FF6B6B;
  --warning:#FFB020;
  --info:#64B5F6;
  --radius-lg:18px;
  --radius-md:10px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background-color:var(--bg-main);color:var(--text);font-family:'Inter',-apple-system,sans-serif;min-height:100vh;overflow-x:hidden;position:relative;}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 80% 50% at 20% 10%,rgba(139,92,246,0.06) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 80% 80%,rgba(59,130,246,0.05) 0%,transparent 60%),radial-gradient(ellipse 50% 60% at 50% 50%,rgba(226,185,111,0.03) 0%,transparent 70%);pointer-events:none;z-index:0;}
.hidden{display:none!important}
a{color:var(--gold);text-decoration:none;}

/* ─────────────────────── 2. SIDEBAR (admin-style) ─────────────────────── */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:230px;background:rgba(11,15,23,0.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--glass-border);display:flex;flex-direction:column;z-index:300;transition:transform .25s ease;}
.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;gap:10px;}
.brand-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--gold),var(--gold-2));border-radius:9px;display:flex;align-items:center;justify-content:center;color:#000;font-size:14px;flex-shrink:0;}
.sidebar-logo h2{color:#fff;font-size:14px;font-weight:800;line-height:1.2}.sidebar-logo p{color:var(--muted);font-size:10px;}
.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto;}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 18px;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;transition:.2s;border-left:3px solid transparent;user-select:none;text-decoration:none;}
.nav-item:hover{color:var(--gold);background:rgba(226,185,111,0.04);}
.nav-item.active{color:var(--gold);border-left-color:var(--gold);background:rgba(226,185,111,0.08);}
.nav-item i{width:16px;text-align:center;font-size:13px;flex-shrink:0;}
.nav-dot{width:7px;height:7px;border-radius:50%;background:var(--amber);margin-left:auto;flex-shrink:0;}
.sidebar-footer{padding:14px 18px;border-top:1px solid var(--glass-border);}
.intern-pill{display:block;background:rgba(226,185,111,0.1);border:1px solid rgba(226,185,111,0.25);color:var(--gold);font-size:12px;font-weight:700;padding:7px 12px;border-radius:var(--radius-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:8px;text-align:center;}
.btn-logout-sb{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;color:var(--red);font-size:12px;font-weight:600;background:none;border:1px solid rgba(255,107,107,0.25);cursor:pointer;padding:8px 0;font-family:inherit;border-radius:var(--radius-pill);transition:.2s;text-decoration:none;}
.btn-logout-sb:hover{background:rgba(255,107,107,0.1);}

/* ─────────────────────── MOBILE TOPBAR (burger) ─────────────────────── */
.m-topbar{display:none;position:sticky;top:0;z-index:200;background:rgba(11,15,23,0.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);height:56px;align-items:center;gap:12px;padding:0 16px;}
.m-burger{background:none;border:1px solid var(--glass-border);color:var(--text);width:38px;height:38px;border-radius:var(--radius-sm);font-size:16px;cursor:pointer;}
.m-title{font-size:14px;font-weight:800;color:#fff;}
.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:250;}
.scrim.active{display:block;}

/* ─────────────────────────── MAIN ─────────────────────────── */
.main{margin-left:230px;min-height:100vh;padding:28px 28px 60px;position:relative;z-index:1;}
.content-wrap{max-width:1000px;margin:0 auto;}
.loading-screen{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;position:relative;z-index:1;}
.spinner-lg{width:44px;height:44px;border:3px solid rgba(226,185,111,0.15);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}
.panel{animation:fadeUp .3s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel-head{margin-bottom:20px;}
.panel-head h1{color:#fff;font-size:22px;font-weight:900;margin-bottom:4px;}
.panel-head p{color:var(--muted);font-size:13px;}

/* ─────────────────────── 3. COMPONENTS ─────────────────────── */
/* GLASS CARD */
.glass-card{background:var(--glass-bg);backdrop-filter:blur(var(--blur-radius));-webkit-backdrop-filter:blur(var(--blur-radius));border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;transition:background .2s,border-color .2s;}
.settings-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:start;max-width:640px;}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);white-space:nowrap;}
.badge-muted{color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--glass-border);}
.badge-blue{color:var(--blue);background:rgba(100,181,246,.12);border:1px solid rgba(100,181,246,.25);}
.badge-amber{color:var(--amber);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.25);}
.badge-gold{color:var(--gold);background:rgba(226,185,111,.12);border:1px solid rgba(226,185,111,.25);}
.badge-green{color:var(--green);background:rgba(76,175,80,.12);border:1px solid rgba(76,175,80,.25);}
.badge-red{color:var(--red);background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.25);}
.badge-violet{color:var(--accent-ai);background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.25);}

/* STEP INDICATOR */
.step-bar{display:flex;align-items:center;gap:0;margin-bottom:24px;overflow-x:auto;padding-bottom:4px;}
.step{display:flex;align-items:center;flex-shrink:0;}
.step-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;border:2px solid var(--glass-border);background:var(--glass-bg);color:var(--muted);transition:.3s;}
.step-dot.done{background:var(--green);border-color:var(--green);color:#fff;}
.step-dot.active{background:var(--gold);border-color:var(--gold);color:#000;}
.step-label{font-size:10px;font-weight:700;color:var(--muted);margin-top:4px;text-align:center;max-width:72px;line-height:1.3;}
.step-label.active{color:var(--gold);}.step-label.done{color:var(--green);}
.step-inner{display:flex;flex-direction:column;align-items:center;gap:2px;}
.step-line{flex:1;min-width:24px;height:2px;background:var(--glass-border);margin:0 2px;position:relative;top:-8px;}
.step-line.done{background:var(--green);}

/* NEXT-STEP CARD */
.nextstep-card{border:1px solid rgba(226,185,111,0.25);background:linear-gradient(135deg,rgba(15,26,46,0.9),rgba(15,52,96,0.45));border-radius:var(--radius);padding:26px 28px;margin-bottom:22px;}
.ns-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:10px;}
.ns-icon{font-size:34px;line-height:1;}
.ns-title{color:#fff;font-size:20px;font-weight:900;margin:10px 0 6px;line-height:1.3;}
.ns-msg{color:#cfd8e6;font-size:14px;line-height:1.7;margin-bottom:18px;}
.ns-domain{color:var(--gold);font-size:12px;font-weight:700;}
.ns-soft{font-size:12.5px;margin-top:10px;}
.ns-soft a{color:var(--gold);font-weight:700;text-decoration:none;}

/* WELCOME BANNER (accepted) */
.welcome-banner{background:linear-gradient(135deg,rgba(15,46,15,0.85),rgba(15,80,30,0.4));border:1px solid rgba(76,175,80,0.25);border-radius:var(--radius);padding:24px 28px;margin-bottom:20px;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.wb-left h1{color:#fff;font-size:21px;font-weight:900;margin-bottom:6px;}.wb-left p{color:var(--muted);font-size:13px;line-height:1.7;}
.batch-tag{background:rgba(226,185,111,0.08);border:1px solid rgba(226,185,111,0.25);color:var(--gold);font-size:12px;font-weight:700;padding:8px 16px;border-radius:var(--radius-pill);display:inline-block;margin-bottom:6px;}
.joining-tag{color:var(--muted);font-size:11px;text-align:right;}

/* GRID + dash */
.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;}
.info-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,0.04);font-size:13px;gap:10px;}
.info-row:last-child{border-bottom:none;}.info-label{color:var(--muted);}.info-value{color:#fff;font-weight:600;text-align:right;}

/* PAYMENT (SELECTED) */
.perks{list-style:none;margin:0 0 18px;display:flex;flex-direction:column;gap:10px;background:rgba(76,175,80,.05);border:1px solid rgba(76,175,80,.2);border-radius:var(--radius-sm);padding:16px 18px;}
.perks-title{font-size:13px;font-weight:800;color:#7ed492;margin-bottom:4px;display:flex;align-items:center;gap:8px;}
.perks li{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#cfd8e6;line-height:1.5;}
.perks li i{color:var(--green);margin-top:3px;flex-shrink:0;width:16px;text-align:center;}
.perks li strong{color:#fff;font-weight:700;}
.upi-card{background:rgba(226,185,111,.04);border:1px solid rgba(226,185,111,.18);border-radius:var(--radius-sm);padding:20px;margin-bottom:18px;display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start;}
.upi-qr img{width:110px;height:110px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#fff;padding:4px;}
.upi-info p{color:var(--muted);font-size:12px;margin-bottom:8px;}
.upi-id-box{background:rgba(255,255,255,.05);border:1px solid var(--glass-border);border-radius:8px;padding:8px 14px;display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;}
.upi-id-box span{color:#fff;font-weight:700;font-size:14px;}.upi-id-box button{background:none;border:none;color:var(--gold);cursor:pointer;font-size:12px;}
.amount-tag{color:var(--amber);font-size:12px;font-weight:700;}
.joining-section{margin-bottom:18px;}
.joining-section label{display:block;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.cal-widget{background:rgba(255,255,255,.03);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:14px;max-width:280px;}
.cal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.cal-month{font-size:14px;font-weight:700;color:var(--text);}
.cal-nav{background:rgba(255,255,255,.05);border:1px solid var(--glass-border);color:var(--text);width:32px;height:32px;border-radius:var(--radius-sm);cursor:pointer;font-size:16px;line-height:1;transition:.2s;}
.cal-nav:hover:not(:disabled){background:rgba(226,185,111,.12);border-color:rgba(226,185,111,.3);}
.cal-nav:disabled{opacity:.3;cursor:not-allowed;}
.cal-dow{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:6px;}
.cal-dow span{text-align:center;font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;}
.cal-day{aspect-ratio:1;min-height:34px;display:flex;align-items:center;justify-content:center;font-size:12px;border-radius:var(--radius-sm);color:var(--muted);user-select:none;}
.cal-day.empty{visibility:hidden;}.cal-day.disabled{color:rgba(255,255,255,.18);cursor:not-allowed;}
.cal-day.available{color:var(--text);background:rgba(226,185,111,.10);border:1px solid rgba(226,185,111,.30);cursor:pointer;font-weight:700;transition:.15s;}
.cal-day.available:hover{background:rgba(226,185,111,.20);}
.cal-day.selected{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#000;border:none;font-weight:800;cursor:pointer;}
.cal-selected{margin-top:10px;font-size:12px;color:var(--muted);min-height:16px;}.cal-selected strong{color:var(--gold);}
.file-label{display:block;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;}
.file-input-wrap{border:2px dashed var(--glass-border);border-radius:var(--radius-sm);padding:20px;text-align:center;transition:.2s;cursor:pointer;position:relative;}
.file-input-wrap:hover{border-color:rgba(226,185,111,.4);}
.file-input-wrap input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}
.file-input-wrap .file-icon{font-size:28px;margin-bottom:8px;color:var(--muted);}
.file-input-wrap p{color:var(--muted);font-size:12px;margin:0;}
.file-input-wrap .file-name{color:var(--gold);font-size:13px;font-weight:600;margin-top:4px;}
.btn-enroll{width:100%;background:linear-gradient(135deg,var(--green),#388e3c);color:#fff;border:none;border-radius:var(--radius-pill);padding:15px;font-size:15px;font-weight:800;cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center;gap:10px;font-family:inherit;margin-top:6px;}
.btn-enroll:hover:not(:disabled){opacity:.88;transform:translateY(-1px);}
.btn-enroll:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-spinner-sm{width:16px;height:16px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none;}
.btn-enroll.loading .btn-spinner-sm{display:block;}.btn-enroll.loading .btn-lbl{display:none;}

/* ENROLLED / REJECTED */
.enrolled-wait{text-align:center;padding:20px 0;}
.enrolled-wait .big-icon{font-size:52px;margin-bottom:16px;}
.enrolled-wait h2{color:#fff;font-size:22px;font-weight:800;margin-bottom:8px;}
.enrolled-wait p{color:var(--muted);font-size:14px;line-height:1.8;max-width:520px;margin:0 auto 18px;}
.countdown-strip{background:rgba(255,107,107,.06);border:1px solid rgba(255,107,107,.2);border-radius:var(--radius-sm);padding:14px 18px;display:flex;align-items:center;justify-content:center;gap:12px;margin:16px 0;flex-wrap:wrap;}
.countdown-strip span{color:var(--muted);font-size:13px;}.countdown-strip strong{color:var(--red);font-size:18px;font-weight:900;}
.reapply-section{margin-top:20px;}.reapply-section h3{color:var(--gold);font-size:15px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px;}

/* FORMS */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-group{display:flex;flex-direction:column;gap:7px;}.form-group.full{grid-column:1/-1;}
.field-label{color:#d9e2f0;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;}
.field-input,.field-select,.field-textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text);padding:11px 14px;font-size:13px;font-family:inherit;transition:.2s;}
.field-input:focus,.field-select:focus,.field-textarea:focus{outline:none;border-color:var(--glass-border-focus);background:rgba(255,255,255,.07);}
.field-input::placeholder,.field-textarea::placeholder{color:var(--muted);opacity:.7;}
.field-input:disabled{opacity:.6;cursor:not-allowed;}
.field-select option{background:#0f1622;color:#fff;}
/* UAT #33: dark-theme bare <select> popups render options on a white OS background;
   give every option an explicit dark bg + light text so they aren't white-on-white. */
select option,select optgroup{background:#0f1622;color:#e8edf4;}
.field-textarea{resize:vertical;min-height:110px;line-height:1.7;}
.form-section-label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin:4px 0;padding-bottom:6px;border-bottom:1px solid var(--glass-border);grid-column:1/-1;}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;opacity:0;}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#000;font-weight:800;font-size:14px;border:none;border-radius:var(--radius-pill);padding:12px 28px;cursor:pointer;transition:.15s;font-family:inherit;display:inline-flex;align-items:center;gap:8px;text-decoration:none;}
.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px rgba(226,185,111,.35);}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-primary.loading .btn-spinner{display:block;}.btn-primary.loading .btn-lbl{display:none;}
.btn-spinner{width:16px;height:16px;border:2px solid rgba(0,0,0,.2);border-top-color:#000;border-radius:50%;animation:spin .7s linear infinite;display:none;}
.form-error{background:rgba(255,107,107,.08);border:1px solid rgba(255,107,107,.22);border-radius:var(--radius-sm);color:var(--red);font-size:13px;font-weight:600;padding:10px 14px;margin-bottom:14px;display:none;align-items:center;gap:8px;}
.form-error.visible{display:flex;}

/* secondary / ghost button (shared addition for parity with portal accents) */
.btn-secondary{background:rgba(255,255,255,.04);border:1px solid var(--glass-border);color:var(--text);font-weight:700;font-size:14px;border-radius:var(--radius-pill);padding:12px 28px;cursor:pointer;transition:.15s;font-family:inherit;display:inline-flex;align-items:center;gap:8px;text-decoration:none;}
.btn-secondary:hover:not(:disabled){border-color:var(--glass-border-focus);background:rgba(255,255,255,.07);}
.btn-ghost{background:none;border:1px solid var(--glass-border);color:var(--muted);font-weight:600;font-size:13px;border-radius:var(--radius-pill);padding:9px 18px;cursor:pointer;font-family:inherit;transition:.15s;text-decoration:none;display:inline-flex;align-items:center;gap:6px;}
.btn-ghost:hover{color:var(--gold);border-color:rgba(226,185,111,.3);}

/* INTERVIEW CARD */
.iv-card{border-color:rgba(226,185,111,0.25);}

/* ATTENDANCE / TUTOR / LEARNING (from dashboard) */
.att-live-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:10px;}
.att-live-header h3{color:#fff;font-size:16px;font-weight:800;}
.att-week-label{color:var(--muted);font-size:12px;}
.att-counter{display:flex;align-items:center;gap:6px;margin-bottom:12px;}
.att-hours{font-size:36px;font-weight:900;line-height:1;}
.att-unit{color:var(--muted);font-size:13px;align-self:flex-end;padding-bottom:4px;}
.att-threshold{color:var(--muted);font-size:12px;margin-top:4px;}
.progress-bar-wrap{margin-bottom:8px;}
.progress-bar-bg{height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,0.06);overflow:hidden;}
.progress-bar-fill{height:100%;border-radius:var(--radius-pill);transition:width .6s ease;min-width:3px;}
.progress-bar-fill.green{background:linear-gradient(90deg,#2e7d32,var(--green));}
.progress-bar-fill.amber{background:linear-gradient(90deg,#e65100,var(--amber));}
.progress-bar-fill.red{background:linear-gradient(90deg,#b71c1c,var(--red));}
.progress-label{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:4px;}
.ping-dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block;animation:blink 2s ease-in-out infinite;margin-right:6px;}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.tutor-card{border-left:3px solid var(--accent-ai);}
.tutor-card h3{color:#fff;font-size:16px;font-weight:800;margin-bottom:8px;}
.tutor-card p{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:16px;}
.progress-pct{font-size:28px;font-weight:900;color:var(--accent-ai);margin-bottom:6px;}
.btn-tutor{background:linear-gradient(135deg,var(--accent-ai),#7c3aed);color:#fff;border:none;border-radius:var(--radius-pill);padding:13px 24px;font-size:14px;font-weight:800;cursor:pointer;transition:.2s;font-family:inherit;display:inline-flex;align-items:center;gap:10px;width:100%;justify-content:center;margin-top:6px;}
.btn-tutor:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px rgba(139,92,246,0.35);}
.btn-tutor:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-tutor.loading .btn-spinner{display:block;}.btn-tutor.loading .btn-lbl{display:none;}
.btn-tutor .btn-spinner{border-color:rgba(255,255,255,.2);border-top-color:#fff;}
.tutor-locked-icon{width:52px;height:52px;border-radius:14px;background:rgba(139,92,246,0.1);border:1px solid rgba(139,92,246,0.25);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--accent-ai);margin-bottom:14px;}
.countdown-row{display:flex;gap:10px;margin:14px 0;}
.cd-unit{flex:1;background:rgba(139,92,246,0.07);border:1px solid rgba(139,92,246,0.18);border-radius:var(--radius-sm);padding:10px 6px;text-align:center;}
.cd-num{font-size:22px;font-weight:900;color:var(--accent-ai);line-height:1;display:block;}
.cd-label{font-size:9px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-top:3px;display:block;}
.locked-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);color:var(--amber);background:rgba(255,176,32,0.1);border:1px solid rgba(255,176,32,0.2);}
.section-title{color:#fff;font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.att-table-wrap{overflow-x:auto;}
.data-table{width:100%;border-collapse:collapse;font-size:13px;}
.data-table th{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:10px 14px;text-align:left;border-bottom:1px solid var(--glass-border);}
.data-table td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,0.04);color:var(--text);}
.data-table tr:last-child td{border-bottom:none;}.data-table tr:hover td{background:rgba(255,255,255,0.02);}
.current-week-row td{background:rgba(226,185,111,0.04);}
.status-pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);}
.status-pill.met{color:var(--green);background:rgba(76,175,80,.12);border:1px solid rgba(76,175,80,.25);}
.status-pill.missed{color:var(--red);background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.25);}
.learning-section{margin-bottom:20px;}
.completion-hero{display:flex;align-items:center;gap:20px;margin-bottom:18px;flex-wrap:wrap;}
.completion-ring{position:relative;width:72px;height:72px;flex-shrink:0;}
.completion-ring svg{transform:rotate(-90deg);}
.completion-ring-pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:var(--accent-ai);}
.completion-meta h4{color:#fff;font-size:16px;font-weight:800;margin-bottom:4px;}.completion-meta p{color:var(--muted);font-size:12px;}
.last-updated{color:var(--muted);font-size:11px;margin-top:6px;}
@keyframes shimmer{0%{background-position:-400px 0}100%{background-position:400px 0}}
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,0.04) 25%,rgba(255,255,255,0.09) 50%,rgba(255,255,255,0.04) 75%);background-size:800px 100%;animation:shimmer 1.6s infinite linear;border-radius:6px;}
.skel-line{height:13px;margin-bottom:10px;}.skel-line.w-80{width:80%;}.skel-line.w-60{width:60%;}.skel-line.w-40{width:40%;}
.skel-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.04);}
.skel-cell{height:12px;border-radius:4px;}

/* TIPS / paid pitch */
.pitch-li{display:flex;gap:10px;align-items:flex-start;color:#cfd8e6;font-size:13.5px;line-height:1.6;margin-bottom:10px;}
.pitch-li i{color:var(--green);margin-top:3px;}

/* TOAST */
#_toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:rgba(15,20,30,.95);border:1px solid rgba(226,185,111,.25);color:#fff;padding:12px 22px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;z-index:9999;transition:transform .35s ease,opacity .35s ease;opacity:0;max-width:360px;text-align:center;box-shadow:var(--shadow-glass);pointer-events:none;backdrop-filter:blur(16px);}
#_toast.show{transform:translateX(-50%) translateY(0);opacity:1;}

/* ─────────── 4. SHARED ADDITIONS (not in the portal yet) ─────────── */
/* Sticky desktop topbar — used by pages that want a top brand bar in
   addition to (or instead of) the sidebar. Sits above .main content. */
.topbar{position:sticky;top:0;z-index:200;display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;padding:0 24px;background:rgba(11,15,23,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);}
.topbar-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:15px;text-decoration:none;}
.topbar-brand .brand-icon{width:30px;height:30px;font-size:13px;}
.topbar-actions{display:flex;align-items:center;gap:12px;}

/* WhatsApp floating action button + trust footer (referenced by the spec) */
.wa-fab{position:fixed;right:20px;bottom:20px;z-index:400;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#25D366,#128C7E);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.4);transition:transform .15s;}
.wa-fab:hover{transform:scale(1.07);}
.trust-footer{border-top:1px solid var(--glass-border);margin-top:8px;padding:24px 20px 28px;position:relative;z-index:1;}
.trust-footer-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.trust-footer-brand strong{color:var(--gold);font-size:14px;font-weight:800;}.trust-footer-brand p{color:#556176;font-size:12px;margin-top:2px;}
.trust-footer-links{display:flex;gap:14px;flex-wrap:wrap;}.trust-footer-links a{color:#59667b;font-size:12px;}.trust-footer-links a:hover{color:var(--muted);}
.trust-footer-copy{width:100%;text-align:center;color:#344055;font-size:11px;}

/* CHAT bubbles (web AI tutor §2 + portal messaging Track 2 §5) */
.chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 140px);max-height:760px;}
.chat-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:4px 2px;}
.chat-bubble{max-width:78%;padding:11px 15px;border-radius:14px;font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word;}
.chat-bubble.user{align-self:flex-end;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#000;border-bottom-right-radius:4px;}
.chat-bubble.bot{align-self:flex-start;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text);border-bottom-left-radius:4px;}
.chat-meta{font-size:10px;color:var(--muted);margin-top:3px;}
.chat-input-row{display:flex;gap:10px;margin-top:14px;align-items:flex-end;}
.chat-input-row .field-textarea{min-height:46px;max-height:160px;}
.quota-note{font-size:12px;color:var(--amber);margin-top:8px;text-align:center;}

/* ─────────────────────── 5. RESPONSIVE + A11Y ─────────────────────── */
@media(max-width:900px){.dash-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-group.full{grid-column:1}.form-section-label{grid-column:1}}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);width:250px;}
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;padding:18px 16px 48px;}
  .m-topbar{display:flex;}
}
/* 380px: keep tap targets >=44px, stack footer */
@media(max-width:400px){
  .btn-primary,.btn-secondary,.btn-enroll,.btn-tutor{min-height:44px;}
  .nav-item{min-height:44px;}
  .trust-footer-inner{flex-direction:column;align-items:flex-start;}
  .wa-fab{width:48px;height:48px;font-size:23px;right:14px;bottom:14px;}
}
*:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* dbert-lite: drop blur on low-end devices / reduced-transparency users so
   the glass surfaces fall back to solid panels (no backdrop-filter cost). */
.dbert-lite .glass-card,
.dbert-lite .sidebar,
.dbert-lite .m-topbar,
.dbert-lite .topbar,
.dbert-lite #_toast{backdrop-filter:none!important;-webkit-backdrop-filter:none!important;background:#141821!important;}
.dbert-lite body::before{display:none;}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}