/* ═══════════════════════════════════════════════════════════════════════
   Lehtmetsa Portal – Design System 2.0
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  /* Surfaces */
  --bg:           #f0f2f8;
  --bg-elevated:  #ffffff;
  --bg-card:      #ffffff;
  --bg-inset:     #e8eaf2;

  /* Glass effect */
  --glass-bg:     rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.9);

  /* Borders */
  --border:       rgba(0,0,0,0.07);
  --border-med:   rgba(0,0,0,0.11);

  /* Text */
  --text-primary:   #0c1230;
  --text-secondary: #52607a;
  --text-muted:     #99a3bc;
  --text-faint:     #c2c9d8;

  /* Accent – indigo-violet gradient */
  --accent:         #5b5fc7;
  --accent-2:       #8257e5;
  --accent-hover:   #4a4db8;
  --accent-glow:    rgba(91,95,199,0.15);
  --accent-gradient: linear-gradient(135deg, #5b5fc7, #8257e5);

  /* Semantic */
  --green:       #16a34a;
  --green-soft:  rgba(22,163,74,0.10);
  --green-text:  #15803d;
  --red:         #dc2626;
  --red-soft:    rgba(220,38,38,0.10);
  --red-text:    #b91c1c;
  --amber:       #d97706;
  --amber-soft:  rgba(217,119,6,0.10);
  --amber-text:  #b45309;
  --blue:        #2563eb;
  --blue-soft:   rgba(37,99,235,0.10);
  --blue-text:   #1d4ed8;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);

  /* Layout */
  --sidebar-w:  260px;
  --topbar-h:    58px;

  /* Radius */
  --r-sm:   8px;
  --r-md:  12px;
  --r-lg:  16px;
  --r-xl:  20px;
  --r-full: 9999px;

  /* Transitions */
  --t-fast: 0.12s ease;
  --t-med:  0.22s ease;
}

/* ── Dark Mode ──────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:           #080c18;
  --bg-elevated:  #0f1623;
  --bg-card:      #121b2e;
  --bg-inset:     #0a0f1c;

  --glass-bg:     rgba(15,22,35,0.80);
  --glass-border: rgba(255,255,255,0.06);

  --border:       rgba(255,255,255,0.06);
  --border-med:   rgba(255,255,255,0.10);

  --text-primary:   #e8eeff;
  --text-secondary: #7d8fb5;
  --text-muted:     #3d4f6e;
  --text-faint:     #243046;

  --accent:         #7c7ff5;
  --accent-2:       #a78bfa;
  --accent-hover:   #6366f1;
  --accent-glow:    rgba(124,127,245,0.18);
  --accent-gradient: linear-gradient(135deg, #7c7ff5, #a78bfa);

  --green:       #22c55e;
  --green-soft:  rgba(34,197,94,0.12);
  --green-text:  #4ade80;
  --red:         #f87171;
  --red-soft:    rgba(248,113,113,0.12);
  --red-text:    #fca5a5;
  --amber:       #fbbf24;
  --amber-soft:  rgba(251,191,36,0.12);
  --amber-text:  #fde68a;
  --blue:        #60a5fa;
  --blue-soft:   rgba(96,165,250,0.12);
  --blue-text:   #93c5fd;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.6), 0 8px 20px rgba(0,0,0,0.4);
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background var(--t-med), color var(--t-med);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, video { display: block; max-width: 100%; }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-med); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Top Bar ─────────────────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  z-index: 200;
}

.topbar-menu-btn,
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  flex-shrink: 0;
}
.topbar-menu-btn:hover,
.icon-btn:hover {
  background: var(--border);
  color: var(--text-primary);
  text-decoration: none;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.topbar-logo-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--accent-glow);
  flex-shrink: 0;
}
.topbar-logo-mark svg { color: #fff; }

.topbar-title {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.topbar-divider {
  width: 1px;
  height: 20px;
  background: var(--border-med);
  margin: 0 4px;
}

.topbar-actions { display: flex; align-items: center; gap: 2px; }

/* Sun/Moon */
.icon-sun  { display: block; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--t-med), width var(--t-med);
  z-index: 100;
}
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }

.sidebar-nav {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-group { margin-bottom: 8px; }

.nav-group-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  padding: 8px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
  cursor: pointer;
  position: relative;
}
.nav-item:hover {
  background: var(--border);
  color: var(--text-primary);
  text-decoration: none;
}
.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%; transform: translateY(-50%);
  width: 3px; height: 16px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-footer-label {
  font-size: 0.72rem;
  color: var(--text-faint);
  padding: 4px 10px;
}

/* ── Main ───────────────────────────────────────────────────────────────── */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 32px 36px;
  transition: margin-left var(--t-med);
  min-width: 0;
}
.main.full { margin-left: 0; }

/* ── Page Header ────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}
.page-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 3px;
}
.page-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ── Stat Row ────────────────────────────────────────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t-fast), transform var(--t-fast);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.stat-value {
  font-size: 2rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}
.stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ── Card ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card + .card { margin-top: 16px; }

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.card-body { padding: 20px; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast), opacity var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 0.88; }

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow), var(--shadow-xs);
}
.btn-primary:hover { box-shadow: 0 4px 14px var(--accent-glow), var(--shadow-sm); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-med);
}
.btn-ghost:hover { background: var(--border); color: var(--text-primary); }

.btn-success {
  background: var(--green-soft);
  color: var(--green-text);
}
.btn-success:hover { background: var(--green); color: #fff; box-shadow: 0 2px 8px rgba(22,163,74,0.3); }

.btn-danger {
  background: var(--red-soft);
  color: var(--red-text);
}
.btn-danger:hover { background: var(--red); color: #fff; box-shadow: 0 2px 8px rgba(220,38,38,0.3); }

.btn-sm { padding: 5px 10px; font-size: 0.78rem; border-radius: 6px; }
.btn-lg { padding: 10px 20px; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.badge-green  { background: var(--green-soft);  color: var(--green-text); }
.badge-red    { background: var(--red-soft);    color: var(--red-text); }
.badge-amber  { background: var(--amber-soft);  color: var(--amber-text); }
.badge-blue   { background: var(--blue-soft);   color: var(--blue-text); }
.badge-muted  { background: var(--border);      color: var(--text-muted); }

/* ── Alert ───────────────────────────────────────────────────────────────── */
.alert {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-error { background: var(--red-soft); color: var(--red-text); border-color: var(--red-soft); }
.alert-success { background: var(--green-soft); color: var(--green-text); }
.alert-info { background: var(--blue-soft); color: var(--blue-text); }

/* ── Form fields ─────────────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}
.field-input,
.field-select {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-inset);
  border: 1px solid var(--border-med);
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  outline: none;
  appearance: none;
}
.field-input:focus,
.field-select:focus {
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Divider ─────────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* ── Empty State ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 72px 24px;
}
.empty-state-icon {
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  color: var(--text-faint);
}
.empty-state h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.empty-state p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 360px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

/* ── Login ───────────────────────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  /* Subtle grid pattern */
  background-image:
    radial-gradient(circle at 20% 20%, var(--accent-glow) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(130,87,229,0.08) 0%, transparent 50%);
}

.login-wrap { width: 100%; max-width: 400px; padding: 24px; }

.login-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  padding: 40px 36px;
}

.login-logo {
  margin: 0 auto 24px;
  width: 52px; height: 52px;
  border-radius: 16px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.login-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 32px;
}

/* ── Toolbar (Filter-Zeile) ──────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.toolbar-spacer { flex: 1; }

/* ── Table ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--border); }

/* ── Spinner ─────────────────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-med);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
    box-shadow: none;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .main {
    margin-left: 0 !important;
    padding: 20px 16px;
  }
  .page-header { flex-direction: column; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}