/* ═══════════════════════════════════════════════════════════════
   Evidence Academics — Dark Theme Dashboard
   ═══════════════════════════════════════════════════════════════ */
:root {
  --bg-0: #070b18;
  --bg-1: #0b1226;
  --bg-2: #111a36;
  --surface: rgba(17, 26, 54, 0.75);
  --surface-hover: rgba(25, 36, 70, 0.9);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text: #eef2ff;
  --text-dim: #9aa3bf;
  --text-mute: #6b7590;
  --primary: #6366f1;
  --primary-2: #8b5cf6;
  --primary-glow: rgba(99,102,241,0.45);
  --accent: #22d3ee;
  --success: #10b981;
  --success-glow: rgba(16,185,129,0.35);
  --danger: #ef4444;
  --danger-glow: rgba(239,68,68,0.35);
  --warning: #f59e0b;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg-0);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{background:radial-gradient(ellipse 80% 50% at 20% 0%,rgba(99,102,241,.18),transparent 60%),radial-gradient(ellipse 70% 40% at 85% 20%,rgba(34,211,238,.12),transparent 60%),radial-gradient(ellipse 60% 40% at 50% 100%,rgba(139,92,246,.15),transparent 60%),var(--bg-0)}
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,black,transparent 80%)}
.bg-glow{position:fixed;z-index:0;pointer-events:none;border-radius:50%;filter:blur(120px);opacity:.55}
.bg-glow-1{top:-180px;right:-120px;width:520px;height:520px;background:var(--primary)}
.bg-glow-2{bottom:-220px;left:-140px;width:560px;height:560px;background:#ec4899}
.bg-glow-3{top:40%;left:50%;transform:translateX(-50%);width:420px;height:420px;background:var(--accent);opacity:.25}
.hidden{display:none!important}

/* ═══ Top Nav ═══ */
.topnav{position:sticky;top:0;z-index:50;backdrop-filter:blur(24px);background:rgba(7,11,24,.65);border-bottom:1px solid var(--border)}
.topnav-inner{max-width:1400px;margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:44px;height:44px;display:grid;place-items:center;font-size:22px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 8px 24px var(--primary-glow)}
.brand-title{font-weight:800;font-size:18px;letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--text-dim);font-weight:500}
.topnav-actions{display:flex;align-items:center;gap:10px}
.role-chip{padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:13px;font-weight:600}

/* ═══ Buttons ═══ */
.btn-ghost{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:9px 16px;border-radius:10px;font-weight:600;font-size:13px;cursor:pointer;transition:all .18s;font-family:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn-ghost:hover{background:var(--surface-hover);border-color:var(--border-strong);transform:translateY(-1px)}
.btn-ghost.btn-sm{padding:6px 12px;font-size:12px}
.btn-danger-ghost{border-color:rgba(239,68,68,.3);color:#fca5a5}
.btn-danger-ghost:hover{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.5)}
.btn-primary{appearance:none;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:700;padding:12px 22px;border-radius:12px;cursor:pointer;font-size:14px;box-shadow:0 10px 30px var(--primary-glow);transition:all .2s;font-family:inherit;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 40px var(--primary-glow)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-primary.btn-lg{padding:14px 28px;font-size:15px}
.btn-full{width:100%}
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ═══ Page layout ═══ */
.page{position:relative;z-index:1;max-width:1400px;margin:0 auto;padding:32px 28px 80px;display:flex;flex-direction:column;gap:28px}

/* ═══ Stats Cards ═══ */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.stat-card{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:8px}
.stat-label{font-size:13px;color:var(--text-dim);font-weight:500}
.stat-value{font-size:32px;font-weight:800;letter-spacing:-1px}
.stat-value.c-primary{color:var(--primary)}
.stat-value.c-success{color:var(--success)}
.stat-value.c-danger{color:var(--danger)}
.stat-value.c-accent{color:var(--accent)}

/* ═══ Sections ═══ */
.section{padding:28px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(10px)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.section-head h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}

/* ═══ Submit (Run) Section ═══ */
.submit-area{display:flex;flex-direction:column;gap:16px}
.accounts-input{width:100%;min-height:120px;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:'IBM Plex Mono',monospace;font-size:13px;padding:14px;resize:vertical;line-height:1.6}
.accounts-input::placeholder{color:var(--text-mute)}
.accounts-input:focus{outline:none;border-color:var(--primary)}
.submit-hint{font-size:12px;color:var(--text-mute)}
.submit-actions{display:flex;gap:12px;align-items:center}
.upload-box{
  border:1px dashed rgba(255,255,255,.14);
  border-radius:12px;
  padding:12px;
  background:rgba(255,255,255,.02);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.upload-title{font-size:13px;font-weight:700;color:var(--text)}
.upload-actions{display:flex;gap:8px;flex-wrap:wrap}
.upload-help{font-size:12px;color:var(--text-mute)}
.upload-status{
  font-size:12px;
  color:var(--text-dim);
  background:rgba(0,0,0,.22);
  border:1px solid var(--border);
  border-radius:8px;
  padding:8px 10px;
}
.upload-status.ok{color:#86efac;border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.08)}
.upload-status.warn{color:#fcd34d;border-color:rgba(245,158,11,.35);background:rgba(245,158,11,.08)}
.upload-status.err{color:#fca5a5;border-color:rgba(239,68,68,.35);background:rgba(239,68,68,.08)}

/* ═══ Task Cards ═══ */
.tasks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.task-card{padding:20px;border-radius:var(--radius);background:rgba(0,0,0,.2);border:1px solid var(--border);cursor:pointer;transition:all .2s;position:relative;overflow:hidden}
.task-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.task-card.running{border-color:rgba(99,102,241,.3)}
.task-card.running::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));animation:shimmer 2s infinite}
@keyframes shimmer{0%,100%{opacity:.5}50%{opacity:1}}
.task-card.success{border-color:rgba(16,185,129,.3)}
.task-card.failed{border-color:rgba(239,68,68,.3)}
.task-email{font-weight:700;font-size:15px;margin-bottom:8px;word-break:break-all}
.task-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.task-chip{padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid var(--border)}
.task-chip.running{color:var(--accent);border-color:rgba(34,211,238,.3);background:rgba(34,211,238,.08)}
.task-chip.done{color:var(--success);border-color:rgba(16,185,129,.3);background:rgba(16,185,129,.08)}
.task-chip.failed{color:var(--danger);border-color:rgba(239,68,68,.3);background:rgba(239,68,68,.08)}
.task-chip.queued{color:var(--warning);border-color:rgba(245,158,11,.3);background:rgba(245,158,11,.08)}
.task-progress{margin-top:8px}
.task-progress-bar{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  overflow:hidden;
  position:relative;
  border:1px solid rgba(255,255,255,.06);
}
.task-progress-fill{
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transition:width .55s cubic-bezier(.2,.85,.2,1), filter .2s;
  position:relative;
  min-width:8px;
}
.task-progress-fill::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.3) 50%,transparent 80%);
  transform:translateX(-120%);
}
.task-card.running .task-progress-fill::after{
  animation:progress-sheen 1.7s linear infinite;
}
.task-card.success .task-progress-fill{
  background:linear-gradient(90deg,#10b981,#34d399);
  box-shadow:0 0 16px rgba(16,185,129,.3);
}
.task-card.failed .task-progress-fill{
  background:linear-gradient(90deg,#ef4444,#f97316);
  box-shadow:0 0 16px rgba(239,68,68,.25);
}
.task-progress-text{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  font-size:11px;
  color:var(--text-dim);
  margin-top:7px;
}
.progress-left{display:flex;align-items:center;gap:6px;min-width:0}
.progress-pulse{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 0 rgba(34,211,238,.55);
}
.task-card.running .progress-pulse{animation:pulse-dot 1.25s infinite}
.task-card.success .progress-pulse{background:var(--success)}
.task-card.failed .progress-pulse{background:var(--danger)}
.progress-course{
  max-width:190px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.progress-percent{
  font-family:'IBM Plex Mono',monospace;
  font-weight:600;
  color:var(--text);
}
.task-last-msg{font-size:12px;color:var(--text-dim);margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-actions{display:flex;gap:8px;margin-top:12px}

/* ═══ Log Modal ═══ */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px}
.modal{width:100%;max-width:800px;max-height:85vh;border-radius:var(--radius-lg);background:var(--bg-1);border:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:16px;font-weight:700}
.modal-close{appearance:none;border:none;background:none;color:var(--text-dim);font-size:24px;cursor:pointer;padding:4px}
.modal-close:hover{color:var(--text)}
.term-body{flex:1;overflow-y:auto;padding:16px 20px;font-family:'IBM Plex Mono',monospace;font-size:12px;line-height:1.7;background:rgba(0,0,0,.3)}
.ln{padding:1px 0}
.ln-ts{color:var(--text-mute);margin-right:8px}
.ln-ok{color:var(--success)}
.ln-err{color:var(--danger)}
.ln-warn{color:var(--warning)}
.ln-info{color:var(--accent)}

/* ═══ Login ═══ */
.login-container{max-width:420px;margin:15vh auto;padding:40px;border-radius:var(--radius-xl);background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(20px)}
.login-container header{text-align:center;margin-bottom:28px}
.login-container h1{font-size:28px;font-weight:800;margin-bottom:8px}
.login-container header p{color:var(--text-dim);font-size:14px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-dim)}
.form-group input{width:100%;padding:12px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:rgba(0,0,0,.3);color:var(--text);font-size:14px;font-family:inherit}
.form-group input:focus{outline:none;border-color:var(--primary)}
.login-error{color:var(--danger);font-size:13px;margin-bottom:12px;text-align:center}

/* ═══ Admin Section ═══ */
.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th,.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}
.admin-table th{color:var(--text-dim);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.admin-table tr:hover{background:rgba(255,255,255,.02)}
.admin-add-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.admin-add-row input{padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:rgba(0,0,0,.3);color:var(--text);font-size:13px;font-family:inherit;flex:1;min-width:140px}

/* ═══ Background shapes (login) ═══ */
.background-shapes{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.shape{position:absolute;border-radius:50%;filter:blur(100px);opacity:.5}
.shape-1{top:-150px;right:-100px;width:400px;height:400px;background:var(--primary)}
.shape-2{bottom:-200px;left:-100px;width:500px;height:500px;background:#ec4899}
.shape-3{top:40%;left:40%;width:300px;height:300px;background:var(--accent);opacity:.2}

/* ═══ Responsive ═══ */
@media(max-width:768px){
  .topnav-inner{padding:12px 16px}
  .page{padding:20px 16px 60px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .tasks-grid{grid-template-columns:1fr}
  .hero{grid-template-columns:1fr}
  .submit-actions{flex-direction:column}
}

/* ═══ Animations ═══ */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.fade-in{animation:fadeIn .4s ease}
@keyframes progress-sheen{to{transform:translateX(120%)}}
@keyframes pulse-dot{0%{box-shadow:0 0 0 0 rgba(34,211,238,.5)}70%{box-shadow:0 0 0 10px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}