/* ═══════════════════════════════════════════════════════════
   KrishCare EduLearn — style.css
   Developed by Krish Kuldeep Kothari · KrishCare Pharma LLP
═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#1a56db;--brand-dark:#1239a0;--brand-light:#e8f0fe;
  --accent:#f97316;--success:#16a34a;--warn:#d97706;--danger:#dc2626;
  --bg:#f0f4ff;--surface:#fff;--surface2:#f8faff;
  --border:#dde3f0;--text:#0f1b35;--muted:#5b6b8a;--hint:#98a8c0;
  --font:'Sora',sans-serif;--mono:'JetBrains Mono',monospace;
}
html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ── LOGIN ──────────────────────────────────── */
.login-body{background:linear-gradient(135deg,#0a1628,#0f2a5c,#1a56db22);min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-wrap{padding:20px}
.login-card{background:#fff;border-radius:22px;padding:38px;width:400px;max-width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:22px}
.l-icon{width:58px;height:58px;background:var(--brand);border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:12px}
.login-logo h1{font-size:22px;font-weight:800;color:var(--text)}
.login-logo p{font-size:12.5px;color:var(--muted);margin-top:3px}
.tnc-box{background:var(--surface2);border:1px solid var(--border);border-radius:9px;padding:14px;font-size:11px;color:var(--muted);height:140px;overflow-y:auto;line-height:1.7;margin-bottom:12px}
.tnc-check{display:flex;align-items:center;gap:9px;font-size:12.5px;cursor:pointer;margin-bottom:16px}
.demo-accounts{background:var(--surface2);border-radius:9px;padding:12px;font-size:11px;color:var(--muted);line-height:1.8;margin-top:16px}
.login-footer{text-align:center;margin-top:18px;font-size:10px;color:var(--hint)}

/* ── LAYOUT ──────────────────────────────────── */
#app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:224px;background:var(--brand-dark);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}
.main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.content{flex:1;overflow-y:auto;padding:22px}
.footer-brand{text-align:center;padding:9px;font-size:10px;color:var(--hint);border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}
.footer-brand a{color:var(--brand)}

/* ── SIDEBAR ─────────────────────────────────── */
.sidebar-logo{padding:18px 16px 14px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo h2{color:#fff;font-size:15px;font-weight:700;line-height:1.2}
.sidebar-logo p{color:rgba(255,255,255,.4);font-size:10px;margin-top:2px}
.sidebar-logo .badge{background:var(--accent);color:#fff;font-size:9px;font-weight:700;padding:2px 8px;border-radius:4px;display:inline-block;margin-top:6px;letter-spacing:.05em}
.nav-section{padding:12px 14px 3px;color:rgba(255,255,255,.3);font-size:9px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:9px;padding:9px 14px;color:rgba(255,255,255,.65);border-radius:8px;margin:1px 8px;transition:.15s;font-size:12.5px;font-weight:500;text-decoration:none}
.nav-item:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.nav-item.active{background:rgba(255,255,255,.18);color:#fff}
.nav-item .ni{font-size:14px;width:18px;text-align:center}
.nav-badge{background:var(--accent);color:#fff;font-size:9px;padding:1px 6px;border-radius:10px;margin-left:auto;font-weight:700}
.sidebar-footer{margin-top:auto;padding:14px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar-user{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.sidebar-user span{color:rgba(255,255,255,.65);font-size:12px;font-weight:500}
.online-dot{width:8px;height:8px;background:#22c55e;border-radius:50%;display:inline-block;flex-shrink:0}
.sidebar-url{color:rgba(255,255,255,.3);font-size:9px;margin-bottom:8px}
.logout-btn{display:block;width:100%;padding:8px;background:rgba(255,255,255,.08);border:none;border-radius:8px;color:rgba(255,255,255,.65);cursor:pointer;font-size:12px;font-family:var(--font);text-align:center;text-decoration:none;transition:.15s}
.logout-btn:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none}

/* ── TOPBAR ──────────────────────────────────── */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:11px 22px;display:flex;align-items:center;gap:12px;flex-shrink:0;box-shadow:0 1px 6px rgba(0,0,0,.05)}
.topbar h1{font-size:16px;font-weight:700;flex:1}
.topbar-right{display:flex;align-items:center;gap:10px}
.online-badge{display:flex;align-items:center;gap:5px;font-size:11px;font-weight:600;color:var(--success);background:#f0fdf4;padding:4px 10px;border-radius:20px}
.online-badge .dot{width:7px;height:7px;background:#22c55e;border-radius:50%}
.notif-wrap{position:relative;cursor:pointer;padding:4px;text-decoration:none;font-size:18px}
.notif-dot{position:absolute;top:0;right:0;width:16px;height:16px;background:var(--accent);border-radius:50%;font-size:8px;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;border:2px solid var(--surface)}
.role-badge{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700}
.role-admin{background:#fee2e2;color:#991b1b}
.role-teacher{background:#dcfce7;color:#166534}
.role-student{background:#dbeafe;color:#1d4ed8}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}

/* ── PAGE HEADER ──────────────────────────────── */
.pg-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.pg-title{font-size:22px;font-weight:800;margin-bottom:4px}
.pg-sub{font-size:13px;color:var(--muted)}

/* ── GRID ────────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mb-20{margin-bottom:20px}
@media(max-width:900px){.grid-4{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}}

/* ── CARDS ───────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 2px 12px rgba(26,86,219,.05)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}
.card-title{font-size:13.5px;font-weight:700}

/* ── STAT CARDS ──────────────────────────────── */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;align-items:center;gap:14px;box-shadow:0 2px 10px rgba(26,86,219,.05)}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.stat-val{font-size:24px;font-weight:800;line-height:1}
.stat-lbl{font-size:11px;color:var(--muted);margin-top:4px}

/* ── BUTTONS ─────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:none;cursor:pointer;font-size:12.5px;font-weight:600;font-family:var(--font);transition:.15s;text-decoration:none;line-height:1}
.btn:hover{opacity:.88;text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-outline:hover{background:var(--brand-light)}
.btn-success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}
.btn-danger{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}
.btn-warn{background:#fffbeb;color:var(--warn);border:1px solid #fde68a}
.btn-sm{padding:5px 11px;font-size:11.5px;border-radius:7px}
.btn-block{width:100%;justify-content:center;padding:12px;font-size:14px}

/* ── TAGS ────────────────────────────────────── */
.tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:10.5px;font-weight:600}
.tag-blue{background:#dbeafe;color:#1d4ed8}
.tag-green{background:#dcfce7;color:#166534}
.tag-yellow{background:#fef9c3;color:#92400e}
.tag-red{background:#fee2e2;color:#991b1b}
.tag-purple{background:#f3e8ff;color:#6d28d9}
.tag-orange{background:#fff7ed;color:#c2410c}
.tag-gray{background:#f1f5f9;color:#475569}

/* ── PROGRESS ────────────────────────────────── */
.progress-bar{background:var(--border);border-radius:20px;height:8px;overflow:hidden}
.progress-fill{height:100%;border-radius:20px;background:var(--brand);transition:.4s}
.progress-fill.green{background:var(--success)}
.progress-fill.orange{background:var(--accent)}
.progress-fill.red{background:var(--danger)}

/* ── TABLE ───────────────────────────────────── */
table{width:100%;border-collapse:collapse}
th{background:var(--surface2);font-size:11px;font-weight:700;color:var(--muted);text-align:left;padding:9px 13px;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.04em}
td{padding:10px 13px;font-size:12.5px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface2)}

/* ── FORM ────────────────────────────────────── */
.form-row{margin-bottom:13px}
.form-row label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
.input{width:100%;padding:9px 13px;border:1.5px solid var(--border);border-radius:8px;font-size:13px;font-family:var(--font);background:var(--surface);color:var(--text);transition:.15s;outline:none}
.input:focus{border-color:var(--brand)}
select.input{cursor:pointer}

/* ── ALERTS ──────────────────────────────────── */
.alert{border-radius:9px;padding:11px 15px;font-size:12.5px;margin-bottom:16px;line-height:1.5}
.alert-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}
.alert-warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}
.alert-danger{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}

/* ── MODAL ───────────────────────────────────── */
.modal-bg{position:fixed;inset:0;background:rgba(10,20,50,.45);display:flex;align-items:center;justify-content:center;z-index:200}
.modal{background:var(--surface);border-radius:18px;padding:28px;width:480px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:0 12px 50px rgba(0,0,0,.25)}
.modal h3{font-size:17px;font-weight:800;margin-bottom:18px}

/* ── ACTIVITY ────────────────────────────────── */
.activity-item{display:flex;align-items:flex-start;gap:12px;padding:9px 0;border-bottom:1px solid var(--border)}
.activity-item:last-child{border-bottom:none}
.act-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;margin-top:4px}

/* ── SUBJECT CARDS ───────────────────────────── */
.subject-card{background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;padding:15px;cursor:pointer;transition:.2s;display:block;text-decoration:none;color:var(--text)}
.subject-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 6px 20px rgba(26,86,219,.12);text-decoration:none}
.subject-card .s-icon{font-size:26px;margin-bottom:9px}
.subject-card h4{font-size:13px;font-weight:700}
.subject-card p{font-size:11px;color:var(--muted);margin-top:3px}

/* ── QUIZ ────────────────────────────────────── */
.quiz-opt{background:var(--surface2);border:1.5px solid var(--border);border-radius:9px;padding:11px 15px;cursor:pointer;font-size:13px;margin-bottom:9px;transition:.15s;display:flex;align-items:center;gap:10px}
.quiz-opt:hover{border-color:var(--brand);background:var(--brand-light)}
.quiz-opt input[type=radio]{accent-color:var(--brand)}

/* ── FLASHCARD ───────────────────────────────── */
.flashcard{background:linear-gradient(135deg,#1a56db,#6366f1);border-radius:18px;padding:38px;text-align:center;color:#fff;cursor:pointer;min-height:180px;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:.3s;user-select:none}
.flashcard:hover{transform:scale(1.015)}

/* ── CHAT ────────────────────────────────────── */
.chat-msg{display:flex;gap:10px;align-items:flex-end}
.chat-msg.me{flex-direction:row-reverse}
.chat-bubble{background:var(--surface2);border:1px solid var(--border);border-radius:12px 12px 12px 3px;padding:10px 14px;max-width:78%;font-size:12.5px;line-height:1.55}
.chat-bubble.me{background:var(--brand-light);border-color:#c7d7f9;border-radius:12px 12px 3px 12px}
.ai-bubble{background:linear-gradient(135deg,rgba(26,86,219,.04),rgba(99,102,241,.04));border:1px solid #c7d7f9;border-radius:12px;padding:14px;font-size:12.5px;line-height:1.65}

/* ── PLAN CARDS ──────────────────────────────── */
.plan-card{background:var(--surface);border:2px solid var(--border);border-radius:16px;padding:22px;text-align:center;transition:.2s}
.plan-card.featured{border-color:var(--brand);background:var(--brand-light)}
.plan-price{font-size:30px;font-weight:800;color:var(--brand);margin:12px 0}
.plan-price span{font-size:13px;color:var(--muted);font-weight:400}
.plan-feat{font-size:12px;color:var(--muted);margin-bottom:7px;display:flex;align-items:center;gap:6px;text-align:left}

/* ── MEDALS ──────────────────────────────────── */
.medal{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:20px;font-size:11.5px;font-weight:700}
.medal-gold{background:#fef3c7;color:#92400e}