/* ============================================================
   SKOLA — Main Stylesheet
   File: assets/css/skola.css
   Uses Bootstrap 5 as base + custom overrides
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ────────────────────────────────────────── */
:root {
  /* Dark theme */
  --sk-dark:        #080d1a;
  --sk-dark2:       #0f1628;
  --sk-surface:     #111827;
  --sk-surface2:    #1e293b;
  --sk-border-dark: rgba(255, 255, 255, 0.07);

  /* Accent colors */
  --sk-accent:      #4f8ef7;
  --sk-accent2:     #7c3aed;
  --sk-teal:        #06b6d4;
  --sk-success:     #10b981;
  --sk-warning:     #f59e0b;
  --sk-danger:      #f87171;

  /* Light theme */
  --sk-light-bg:    #f8fafc;
  --sk-light-bg2:   #f1f5f9;
  --sk-border-l:    #e2e8f0;
  --sk-text-dark:   #0f172a;
  --sk-text-body:   #475569;
  --sk-text-light:  #94a3b8;

  /* Typography */
  --sk-font-head: 'Plus Jakarta Sans', sans-serif;
  --sk-font-body: 'Plus Jakarta Sans', sans-serif;

  /* Radius */
  --sk-radius:    10px;
  --sk-radius-lg: 16px;
}

/* ── Base ─────────────────────────────────────────────────── */
body {
  font-family: var(--sk-font-body);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sk-font-head);
}

/* ── Dark Layout (Admin / Login pages) ───────────────────── */
body.sk-dark {
  background: var(--sk-dark);
  color: #f1f5f9;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sk-sidebar {
  width: 240px;
  height: 100vh;
  background: var(--sk-surface);
  border-right: 1px solid var(--sk-border-dark);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  transition: width 0.25s ease;
}

/* Desktop collapsed */
.sk-sidebar.collapsed {
  width: 64px;
  padding: 1.5rem 0.5rem;
}
.sk-sidebar.collapsed .sk-sidebar-logo { justify-content: center; }
.sk-sidebar.collapsed .sk-sidebar-logo > div:last-child { display: none; }
.sk-sidebar.collapsed .sk-nav-label { display: none; }
.sk-sidebar.collapsed .sk-nav-link { justify-content: center; padding: 0.65rem; }
.sk-sidebar.collapsed .sk-nav-link span.nav-text { display: none; }
.sk-sidebar.collapsed .sk-user-info > div:last-child { display: none; }
.sk-sidebar.collapsed .sk-user-info { justify-content: center; }
.sk-sidebar.collapsed .sk-collapse-btn-text { display: none; }
.sk-sidebar.collapsed .sk-main-logout { display: none; }
.sk-sidebar::-webkit-scrollbar { width: 4px; }
.sk-sidebar::-webkit-scrollbar-track { background: transparent; }
.sk-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }
.sk-sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 2rem;
}
.sk-logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sk-accent), var(--sk-accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.sk-sidebar-logo h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.sk-sidebar-logo h2 span { color: var(--sk-accent); }

.sk-nav-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sk-text-light);
  padding: 0 0.75rem;
  margin: 1rem 0 0.4rem;
}
.sk-nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  color: var(--sk-text-light);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.sk-nav-link:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}
.sk-nav-link.active {
  background: rgba(79,142,247,0.12);
  color: var(--sk-accent);
}
.sk-nav-icon { font-size: 1rem; width: 20px; text-align: center; }

.sk-sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--sk-border-dark);
}
.sk-user-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem;
}
.sk-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sk-accent), var(--sk-accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
  color: #fff; flex-shrink: 0;
}
.sk-user-name { font-size: 0.8rem; font-weight: 500; color: #fff; }
.sk-user-role { font-size: 0.7rem; color: var(--sk-text-light); }

/* ── Main content area ────────────────────────────────────── */
.sk-main {
  margin-left: 240px;
  flex: 1;
  padding: 2rem;
  min-height: 100vh;
  transition: margin-left 0.25s ease;
}
.sk-sidebar.collapsed ~ .sk-main { margin-left: 64px; }

/* Topbar for mobile */
.sk-topbar {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: var(--sk-surface);
  border-bottom: 1px solid var(--sk-border-dark);
  padding: 0.75rem 1rem;
  align-items: center; gap: 0.75rem;
}
.sk-topbar-title { font-size: 0.9rem; font-weight: 700; color: #fff; flex: 1; }
.sk-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 99;
}
.sk-overlay.show { display: block; }

/* ── Page Header ──────────────────────────────────────────── */
.sk-page-header {
  margin-bottom: 2rem;
}
.sk-page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.sk-page-header p {
  color: var(--sk-text-light);
  font-size: 0.85rem;
  margin-top: 0.25rem;
  margin-bottom: 0;
}
.sk-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--sk-text-light);
  margin-bottom: 0.5rem;
}
.sk-breadcrumb a { color: var(--sk-text-light); text-decoration: none; }
.sk-breadcrumb a:hover { color: var(--sk-accent); }

/* ── Cards ────────────────────────────────────────────────── */
.sk-card {
  background: var(--sk-surface);
  border: 1px solid var(--sk-border-dark);
  border-radius: var(--sk-radius-lg);
  overflow: hidden;
}
.sk-card-header {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--sk-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sk-card-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sk-card-body { padding: 1.5rem; }

/* ── Stat Cards ───────────────────────────────────────────── */
.sk-stat-card {
  background: var(--sk-surface);
  border: 1px solid var(--sk-border-dark);
  border-radius: var(--sk-radius-lg);
  padding: 1.25rem 1.5rem;
}
.sk-stat-label {
  font-size: 0.72rem;
  color: var(--sk-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.sk-stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--sk-font-head);
  line-height: 1;
}
.sk-stat-value.blue   { color: var(--sk-accent); }
.sk-stat-value.green  { color: var(--sk-success); }
.sk-stat-value.yellow { color: var(--sk-warning); }
.sk-stat-value.purple { color: #a78bfa; }
.sk-stat-value.red    { color: var(--sk-danger); }

/* ── Tables ───────────────────────────────────────────────── */
.sk-table-wrap { overflow-x: auto; }
.sk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
.sk-table th {
  padding: 0.75rem 1.25rem;
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--sk-text-light);
  font-weight: 500;
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}
.sk-table td {
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--sk-border-dark);
  color: #f1f5f9;
  vertical-align: middle;
}
.sk-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* ── Badges ───────────────────────────────────────────────── */
.sk-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.sk-badge-active    { background: rgba(16,185,129,0.12);  color: var(--sk-success); }
.sk-badge-pending   { background: rgba(245,158,11,0.12);  color: var(--sk-warning); }
.sk-badge-suspended { background: rgba(248,113,113,0.12); color: var(--sk-danger); }
.sk-badge-cancelled { background: rgba(100,116,139,0.12); color: var(--sk-text-light); }
.sk-badge-trial     { background: rgba(167,139,250,0.12); color: #a78bfa; }
.sk-badge-basic     { background: rgba(79,142,247,0.12);  color: var(--sk-accent); }
.sk-badge-standard  { background: rgba(16,185,129,0.12);  color: var(--sk-success); }
.sk-badge-premium   { background: rgba(245,158,11,0.12);  color: var(--sk-warning); }
.sk-badge-male      { background: rgba(79,142,247,0.12);  color: var(--sk-accent); }
.sk-badge-female    { background: rgba(236,72,153,0.12);  color: #f472b6; }

/* ── Buttons ──────────────────────────────────────────────── */
.sk-btn {
  font-family: var(--sk-font-head);
  font-weight: 600;
  border-radius: var(--sk-radius);
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
}
.sk-btn-primary {
  background: linear-gradient(135deg, var(--sk-accent), var(--sk-accent2));
  color: #fff;
  box-shadow: 0 4px 15px rgba(79,142,247,0.25);
}
.sk-btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  color: #fff;
}
.sk-btn-ghost {
  background: transparent;
  color: var(--sk-text-light);
  border: 1px solid var(--sk-border-dark);
}
.sk-btn-ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}
.sk-btn-danger {
  background: rgba(248,113,113,0.1);
  color: var(--sk-danger);
  border: 1px solid rgba(248,113,113,0.2);
}
.sk-btn-danger:hover {
  background: rgba(248,113,113,0.2);
  color: var(--sk-danger);
}

/* ── Forms (dark) ─────────────────────────────────────────── */
.sk-form-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--sk-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  display: block;
}
.sk-form-control {
  background: rgba(255,255,255,0.04) !important;
  border: 1px solid var(--sk-border-dark) !important;
  border-radius: var(--sk-radius) !important;
  color: #f1f5f9 !important;
  font-family: var(--sk-font-body);
  font-size: 0.88rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sk-form-control:focus {
  border-color: var(--sk-accent) !important;
  box-shadow: 0 0 0 3px rgba(79,142,247,0.12) !important;
  outline: none;
}
.sk-form-control::placeholder { color: rgba(255,255,255,0.2); }
.sk-form-control option { background: var(--sk-surface2); color: #f1f5f9; }
.sk-form-select {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background-repeat: no-repeat !important;
  background-position: right 0.75rem center !important;
  background-size: 16px 12px !important;
  padding-right: 2.5rem !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

/* ── Alerts ───────────────────────────────────────────────── */
.sk-alert {
  padding: 0.85rem 1rem;
  border-radius: var(--sk-radius);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}
.sk-alert-danger  { background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.3); color: var(--sk-danger); }
.sk-alert-success { background: rgba(16,185,129,0.1);  border: 1px solid rgba(16,185,129,0.3);  color: var(--sk-success); }
.sk-alert-warning { background: rgba(245,158,11,0.1);  border: 1px solid rgba(245,158,11,0.3);  color: var(--sk-warning); }
.sk-alert-info    { background: rgba(79,142,247,0.1);  border: 1px solid rgba(79,142,247,0.3);  color: var(--sk-accent); }

/* ── Filters bar ──────────────────────────────────────────── */
.sk-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Empty state ──────────────────────────────────────────── */
.sk-empty {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--sk-text-light);
}
.sk-empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.sk-empty p { font-size: 0.88rem; margin-bottom: 1rem; }

/* ── Plan cards (school add) ──────────────────────────────── */
.sk-plan-card {
  border: 1px solid var(--sk-border-dark);
  border-radius: var(--sk-radius);
  padding: 1rem;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  background: rgba(255,255,255,0.02);
}
.sk-plan-card:hover { border-color: var(--sk-accent); }
.sk-plan-card.selected {
  border-color: var(--sk-accent);
  background: rgba(79,142,247,0.08);
}
.sk-plan-card input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }

/* ── Color picker ─────────────────────────────────────────── */
.sk-color-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
input[type="color"].sk-color-input {
  width: 42px; height: 38px;
  padding: 2px;
  border-radius: 8px;
  border: 1px solid var(--sk-border-dark);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Login page ───────────────────────────────────────────── */
.sk-login-wrap {
  width: 100%;
  max-width: 440px;
}
.sk-login-card {
  background: var(--sk-surface);
  border: 1px solid var(--sk-border-dark);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}
.sk-panel-tabs {
  display: flex;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 1.75rem;
  gap: 4px;
}
.sk-panel-tab {
  flex: 1;
  padding: 0.55rem;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--sk-text-light);
  border-radius: 7px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.sk-panel-tab.active {
  background: var(--sk-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(79,142,247,0.35);
}

/* ── Hero animated blobs ──────────────────────────────────── */
.sk-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.15;
  pointer-events: none;
  animation: skDrift 14s ease-in-out infinite;
}
.sk-blob-1 { width: 600px; height: 600px; background: var(--sk-accent);  top: -200px; left: -150px; }
.sk-blob-2 { width: 500px; height: 500px; background: var(--sk-accent2); bottom: -100px; right: -100px; animation-duration: 16s; animation-direction: reverse; }
.sk-blob-3 { width: 300px; height: 300px; background: var(--sk-teal);    top: 40%; left: 55%; animation-duration: 10s; animation-delay: 3s; }
.sk-hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(79,142,247,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(79,142,247,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

@keyframes skDrift {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(25px, 35px) scale(1.06); }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Sidebar — mobile: always full width, toggle via open class only */
  .sk-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 240px !important;
    z-index: 300;
  }
  .sk-sidebar.open { transform: translateX(0); }

  /* On mobile, collapsed class has NO effect — always show full sidebar when open */
  .sk-sidebar.collapsed { width: 240px !important; }
  .sk-sidebar.collapsed .sk-nav-link span.nav-text { display: inline !important; }
  .sk-sidebar.collapsed .sk-nav-label { display: block !important; }
  .sk-sidebar.collapsed .sk-sidebar-logo { justify-content: space-between !important; }
  .sk-sidebar.collapsed .sk-sidebar-logo > div:last-child { display: flex !important; }
  .sk-sidebar.collapsed .sk-user-info { justify-content: flex-start !important; }
  .sk-sidebar.collapsed .sk-user-info > div:last-child { display: block !important; }
  .sk-sidebar.collapsed .sk-main-logout { display: block !important; }
  /* Hide desktop collapse button on mobile */
  #collapse-btn { display: none !important; }

  .sk-main { margin-left: 0 !important; padding-top: 4rem; }
  .sk-topbar { display: flex; }

  /* Equal height stat cards in a row */
  .row > [class*="col"] > .sk-stat-card { height: 100%; }
  .sk-stat-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100px;
  }

  /* Tables — always horizontal scroll on mobile */
  .sk-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .sk-table {
    min-width: 500px;
  }
  /* Compact table on mobile */
  .sk-table th,
  .sk-table td {
    padding: 0.5rem 0.65rem;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  /* Page padding reduce on mobile */
  .sk-main { padding: 4.5rem 0.9rem 1.5rem; }
  .sk-page-header h1 { font-size: 1.2rem; }
  .sk-filters { gap: 0.4rem; }
  .sk-filters .form-control,
  .sk-filters .form-select { font-size: 0.82rem; }
}

/* Fix: Remove duplicate dropdown arrow on selects */
select.sk-form-control,
select.form-select.sk-form-control {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
  background-repeat: no-repeat !important;
  background-position: right 0.75rem center !important;
  background-size: 16px 12px !important;
  padding-right: 2.5rem !important;
}