/* ===== DailySolve – White Card Theme ===== */
:root {
  --bg:       #f0f2f8;
  --card:     #ffffff;
  --border:   #e5e7eb;
  --primary:  #6366f1;
  --primary2: #4f46e5;
  --success:  #22c55e;
  --danger:   #ef4444;
  --warning:  #f59e0b;
  --text:     #1e293b;
  --muted:    #64748b;
  --radius:   14px;
  --shadow:   0 4px 24px rgba(99,102,241,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
}

/* ---- NAV ---- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand { font-size: 1.3rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.nav-brand span { color: var(--text); }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.btn-nav {
  background: var(--primary);
  color: #fff;
  padding: 7px 18px;
  border-radius: 8px;
}
.nav-links a.btn-nav:hover { background: var(--primary2); color: #fff; }

/* ---- LAYOUT ---- */
.page-wrap { max-width: 1100px; margin: 0 auto; padding: 36px 20px; }
.center-wrap { max-width: 460px; margin: 60px auto; padding: 0 16px; }

/* ---- CARDS ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.card-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }

/* ---- FORM ---- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; color: var(--muted); }
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  color: var(--text);
  background: #fafafa;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.12); background:#fff; }
select.form-control { cursor: pointer; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 22px;
  border-radius: 9px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: background .2s, transform .1s, box-shadow .2s;
  text-decoration: none;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary2); box-shadow: 0 4px 14px rgba(99,102,241,.3); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 14px; font-size: .85rem; }

/* ---- ALERTS ---- */
.alert {
  padding: 12px 16px;
  border-radius: 9px;
  margin-bottom: 18px;
  font-size: .9rem;
  font-weight: 500;
}
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger  { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ---- STAT CARDS ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 28px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}
.stat-card .stat-icon { font-size: 2rem; margin-bottom: 8px; }
.stat-card .stat-val  { font-size: 1.7rem; font-weight: 800; color: var(--primary); }
.stat-card .stat-lbl  { font-size: .82rem; color: var(--muted); margin-top: 2px; font-weight: 500; }

/* ---- DASHBOARD SIDEBAR ---- */
.dash-wrap { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start; }
.sidebar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.sidebar-user { padding: 22px; border-bottom: 1px solid var(--border); }
.sidebar-user .u-avatar {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; color: #fff;
  margin-bottom: 10px;
}
.sidebar-user .u-name { font-weight: 700; font-size: .95rem; }
.sidebar-user .u-email { font-size: .78rem; color: var(--muted); margin-top: 2px; word-break: break-all; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: .9rem;
  transition: background .15s, color .15s;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: #f5f5ff; color: var(--primary); }
.sidebar-nav a.active { background: #eef0ff; color: var(--primary); border-left-color: var(--primary); font-weight: 700; }

/* ---- CODE BOX ---- */
.code-box {
  background: #1e1e2e;
  color: #cdd6f4;
  border-radius: 10px;
  padding: 18px 20px;
  font-family: 'Courier New', monospace;
  font-size: .8rem;
  line-height: 1.7;
  overflow-x: auto;
  position: relative;
}
.copy-btn {
  position: absolute;
  top: 10px; right: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .75rem;
}
.copy-btn:hover { background: rgba(255,255,255,.2); }

/* ---- TABLE ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th { background: #f8f9ff; color: var(--muted); font-weight: 600; padding: 11px 14px; text-align: left; border-bottom: 2px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbff; }

/* ---- BADGE ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: .75rem; font-weight: 600; }
.badge-success  { background: #dcfce7; color: #166534; }
.badge-warning  { background: #fef9c3; color: #854d0e; }
.badge-danger   { background: #fee2e2; color: #991b1b; }
.badge-primary  { background: #ede9fe; color: #5b21b6; }

/* ---- AUTH PAGE ---- */
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo h1 { font-size: 2rem; font-weight: 900; color: var(--primary); }
.auth-logo p { color: var(--muted); margin-top: 4px; font-size: .9rem; }
.auth-footer { text-align: center; margin-top: 20px; font-size: .88rem; color: var(--muted); }
.auth-footer a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* ---- CAPTCHA PAGE ---- */
.captcha-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f2f8 0%, #e8eaf6 100%);
  padding: 20px;
}
.captcha-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(99,102,241,.15);
  padding: 44px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  border: 1px solid var(--border);
}
.captcha-card .logo { font-size: 1.6rem; font-weight: 900; color: var(--primary); margin-bottom: 6px; }
.captcha-card h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.captcha-card p { color: var(--muted); font-size: .88rem; margin-bottom: 24px; }
.progress-bar { height: 4px; background: var(--border); border-radius: 99px; overflow: hidden; margin-bottom: 24px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), #a855f7); border-radius: 99px; transition: width .5s; }
.cf-wrapper { display: flex; justify-content: center; margin-bottom: 20px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .dash-wrap { grid-template-columns: 1fr; }
  .sidebar { display: flex; overflow-x: auto; }
  .sidebar-user { display: none; }
  .sidebar-nav { display: flex; flex-direction: row; }
  .sidebar-nav a { white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; }
  .sidebar-nav a.active { border-bottom-color: var(--primary); border-left: none; }
  .navbar { padding: 0 16px; }
  .card { padding: 22px 18px; }
  .captcha-card { padding: 32px 24px; }
}

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 22px 0; }