/* =====================================================
   Inervas – Global Design System
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────── */
:root {
  --primary: #1b17ff;
  --primary-light: #6b68ff;
  --primary-hover: #1512cc;
  --accent: #1b17ff;
  --accent-light: #6b68ff;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  --bg: rgb(252, 252, 252);
  --surface: #FFFFFF;
  --surface-2: #F9FAFB;
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  --sidebar-bg: var(--surface);
  --sidebar-border: #E5E7EB;
  --sidebar-width: 240px;
  --header-height: 64px;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.02), 0 4px 12px rgba(0, 0, 0, 0.02);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
  --bg: rgb(23, 23, 23);
  --surface: rgb(38, 38, 38);
  --surface-2: rgb(48, 48, 48);
  --border: #3a3a3a;
  --border-light: #303030;

  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --text-inverse: #12121A;

  --sidebar-bg: var(--surface);
  --sidebar-border: #2B2B3C;

  --primary: #1b17ff;
  --primary-hover: #6b68ff;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.6);
  --shadow: 0 4px 16px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.3);
  --shadow-card: 0 1px 4px rgba(0,0,0,0.3), 0 4px 20px rgba(0,0,0,0.2);
}

/* Base resets for dark mode specifically */
body.dark-mode .header-search { background: var(--surface-2); }
body.dark-mode .header-search:hover { background: var(--surface); }
body.dark-mode .sidebar-logo-icon { box-shadow: 0 2px 8px rgba(0,0,0,0.5); }
body.dark-mode .btn-outline:hover { background: var(--border); }
body.dark-mode .kpi-card { box-shadow: 0 2px 10px rgba(0,0,0,0.3); }
body.dark-mode .facility-card { box-shadow: 0 2px 10px rgba(0,0,0,0.3); }
body.dark-mode .header-period-select { background-color: var(--bg); }
body.dark-mode .header-period-select:hover { background-color: var(--bg); border-color: var(--primary); }
body.dark-mode .header-period-select select { background-color: transparent; color: var(--text-secondary); }
body.dark-mode .header-period-select select option { background-color: var(--bg); color: var(--text-secondary); }
body.dark-mode .header-period-select span, 
body.dark-mode .filter-select span { color: var(--text-secondary) !important; }
body.dark-mode .form-select { color: var(--text-secondary); background-color: var(--surface-2); }
body.dark-mode .sidebar-nav-item.active { background: rgba(27, 23, 255, 0.2); color: #ffffff; }
body.dark-mode .sidebar-nav-item.active .nav-icon { color: #ffffff; }
body.dark-mode .btn-outline { color: #ffffff; border-color: var(--border); }
body.dark-mode .btn-outline:hover { background: var(--surface-2); border-color: var(--primary); }
body.dark-mode .icon-tab.active { color: #ffffff !important; }
body.dark-mode .icon-tab.active .tab-icon { color: #ffffff !important; }

/* Sidebar Nav Items */
.profile-dropdown { position: relative; display: inline-block; }
.profile-menu {
  position: absolute; right: 0; top: 100%; margin-top: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; min-width: 150px; box-shadow: var(--shadow-lg);
  display: none; z-index: 1000; overflow-y: auto; max-height: 300px;
}
.profile-dropdown:hover .profile-menu { display: block; }
.profile-menu-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  color: var(--text-primary); text-decoration: none; font-size: 0.8rem; font-weight: 500;
  transition: background 0.2s; cursor: pointer; border: none; width: 100%; background: none; text-align: left; white-space: nowrap;
}
.profile-menu-item:hover { background: var(--bg); }
.profile-menu-item.logout { color: #ef4444; border-top: 1px solid var(--border-light); }
.profile-menu-item.logout:hover { background: #fef2f2; }
body.dark-mode .profile-menu-item.logout:hover { background: #450a0a; }

/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Typography ────────────────────────────────────── */
h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; }
h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.3; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.03em; }
h4 { font-size: 1rem; font-weight: 600; }
h5 { font-size: 0.875rem; font-weight: 600; }
p { color: var(--text-secondary); }

/* ── Layout ────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-slow);
}

.main-content.sidebar-collapsed {
  margin-left: 72px;
}

.page-body {
  flex: 1;
  padding: 28px 32px;
  margin-top: var(--header-height);
  transition: all var(--transition-slow);
}

/* ── Sidebar ───────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed {
  width: 72px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  height: var(--header-height);
  box-sizing: border-box;
  border-bottom: none;
  text-decoration: none;
}

.sidebar-logo-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.sidebar-logo-text {
  display: flex; flex-direction: column;
  opacity: 1; transition: opacity var(--transition);
}
.sidebar.collapsed .sidebar-logo-text { opacity: 0; pointer-events: none; }

.sidebar-logo-name {
  font-size: 1rem; font-weight: 700; color: var(--text-primary); line-height: 1.2;
}
.sidebar-logo-sub {
  font-size: 0.65rem; color: var(--text-muted); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
}

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.sidebar-section-label {
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); padding: 12px 20px 4px;
  transition: opacity var(--transition);
}
.sidebar.collapsed .sidebar-section-label { opacity: 0; }

.sidebar-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; margin: 4px 12px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 0.85rem; font-weight: 500;
  transition: all var(--transition); cursor: pointer; white-space: nowrap;
  text-decoration: none; position: relative;
}
.sidebar-nav-item:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}
.sidebar-nav-item.active {
  background: rgba(139, 92, 246, 0.1);
  color: var(--primary);
}
.sidebar-nav-item.active .nav-icon {
  color: var(--primary);
}
.sidebar-nav-item .nav-icon {
  font-size: 1.1rem; flex-shrink: 0; width: 20px; text-align: center;
}
.sidebar-nav-text { transition: opacity var(--transition); }
.sidebar.collapsed .sidebar-nav-text { display: none; }
.sidebar.collapsed .sidebar-nav-badge { display: none; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--sidebar-border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: var(--radius-sm); cursor: pointer;
  transition: background var(--transition);
}
.sidebar-user:hover { background: var(--surface-2); }
.sidebar-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
}
.sidebar-user-info { transition: opacity var(--transition); }
.sidebar.collapsed .sidebar-user-info { opacity: 0; pointer-events: none; }
.sidebar-user-name { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); line-height: 1.2; }
.sidebar-user-role { font-size: 0.68rem; color: var(--text-secondary); }

.sidebar-toggle-btn {
  position: absolute; top: 20px; right: -12px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: var(--text-secondary); cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition); z-index: 101;
}
.sidebar-toggle-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Header ────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: var(--bg);
  border-bottom: none;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  z-index: 90;
  transition: left var(--transition-slow);
  box-shadow: none;
}
.header.sidebar-collapsed { left: 72px; }

.header-left {
  display: flex; align-items: center; gap: 16px;
}
.header-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: var(--text-secondary);
}
.header-breadcrumb .current {
  font-weight: 600; color: var(--text-primary);
}
.header-breadcrumb .sep { color: var(--text-muted); }

.header-right {
  display: flex; align-items: center; gap: 8px;
}

.header-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 7px 14px;
  font-size: 0.85rem; color: var(--text-secondary); cursor: text;
  transition: all var(--transition);
  min-width: 240px;
}
.header-search:hover { border-color: var(--primary-light); background: #fff; }
.header-search input {
  border: none; background: transparent; outline: none;
  font-size: 0.85rem; color: var(--text-primary); width: 100%;
}
.header-search input::placeholder { color: var(--text-muted); }

.icon-btn {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--text-secondary);
  transition: all var(--transition); position: relative;
  background: transparent; border: none; cursor: pointer;
}
.icon-btn:hover { background: var(--bg); color: var(--text-primary); }

.kpi-toggle {
  display: flex; background: var(--bg); border-radius: 6px; padding: 2px; margin-left: auto; border: 1px solid var(--border);
}
.kpi-toggle button {
  background: transparent; border: none; padding: 4px 10px; font-size: 0.7rem; font-weight: 600; color: var(--text-muted); border-radius: 4px; cursor: pointer; transition: all 0.2s;
}
.kpi-toggle button.active {
  background: var(--surface); color: var(--text-primary); box-shadow: var(--shadow-sm);
}

.notification-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--danger);
  border: 1.5px solid var(--surface);
}

.header-period-select {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 7px 16px;
  font-size: 0.8rem; font-weight: 500; color: var(--text-primary);
  transition: all var(--transition);
}
.header-period-select:hover { border-color: var(--primary-light); background: var(--surface); }
.header-period-select select {
  border: none; background: transparent; outline: none;
  font-size: 0.8rem; font-weight: 500; color: var(--text-primary); cursor: pointer;
}

/* ── Cards ─────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
}
.card-title {
  font-size: 0.95rem; font-weight: 600; color: var(--text-muted);
  display: flex; align-items: center; gap: 10px;
}
.title-icon {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--surface-2); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.9rem;
}
body.dark-mode .title-icon {
  background: rgba(139, 92, 246, 0.1);
  color: var(--primary-light);
}
.card-body { padding: 20px 24px; }

/* ── KPI Cards ─────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.kpi-card-top {
  display: flex; align-items: center; gap: 8px;
}
.kpi-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition);
  background: var(--surface-2);
  color: var(--text-secondary);
}

/* Enerji Tipine Göre Renkler */
.kpi-card.electric .kpi-icon { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
.kpi-card.water .kpi-icon { background: rgba(59, 130, 246, 0.1); color: #3B82F6; }
.kpi-card.gas .kpi-icon { background: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.kpi-card.production .kpi-icon { background: rgba(16, 185, 129, 0.1); color: #10B981; }

body.dark-mode .kpi-card.electric .kpi-icon { background: rgba(139, 92, 246, 0.2); color: #A78BFA; }
body.dark-mode .kpi-card.water .kpi-icon { background: rgba(59, 130, 246, 0.2); color: #60A5FA; }
body.dark-mode .kpi-card.gas .kpi-icon { background: rgba(245, 158, 11, 0.2); color: #FBBF24; }
body.dark-mode .kpi-card.production .kpi-icon { background: rgba(16, 185, 129, 0.2); color: #34D399; }

.kpi-label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }

.kpi-badge {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.85rem; font-weight: 600;
}
.kpi-badge.up { color: var(--success); }
.kpi-badge.down { color: var(--danger); }

.kpi-value {
  font-size: 1.65rem; font-weight: 600; letter-spacing: -0.03em; color: var(--text-primary);
  line-height: 1;
  transition: font-size 0.2s ease;
}

@media (max-width: 1400px) { .kpi-value { font-size: 1.45rem; } }
@media (max-width: 1200px) { .kpi-value { font-size: 1.35rem; } }
@media (max-width: 1000px) { .kpi-value { font-size: 1.20rem; } }
@media (max-width: 900px) { .kpi-value { font-size: 1.15rem; } }
.kpi-unit { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); margin-left: 4px; }
.kpi-label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }
.kpi-sub { font-size: 0.73rem; color: var(--text-muted); margin-top: 2px; }

/* ── Chart Grid ────────────────────────────────────── */
.chart-grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px;
}
.chart-grid-3 {
  display: grid; grid-template-columns: 1.8fr 1.1fr 1.1fr; gap: 24px; margin-bottom: 28px;
}
.chart-container { position: relative; width: 100%; }
.chart-container canvas { max-width: 100%; }

/* ── Page Header ───────────────────────────────────── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 28px;
}

.page-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text-primary); }
.page-subtitle { font-size: 0.875rem; color: var(--text-secondary); margin-top: 3px; }
.page-header-actions { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.875rem; font-weight: 600; padding: 9px 18px;
  border-radius: var(--radius-sm); border: 1.5px solid transparent;
  transition: all var(--transition); cursor: pointer; line-height: 1;
}
.btn-primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(15,43,91,0.25); }
.btn-secondary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-secondary:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(14,165,160,0.3); }
.btn-outline {
  background: transparent; color: var(--primary); border-color: var(--border);
}
.btn-outline:hover { background: var(--bg); border-color: var(--primary); }
.btn-ghost {
  background: transparent; color: var(--text-secondary); border-color: transparent;
}
.btn-ghost:hover { background: var(--bg); color: var(--text-primary); }
.btn-danger {
  background: var(--danger); color: #fff; border-color: var(--danger);
}
.btn-danger:hover { background: #DC2626; }
.btn-sm { font-size: 0.8rem; padding: 6px 12px; }
.btn-lg { font-size: 0.95rem; padding: 12px 24px; }
.btn-icon { padding: 9px; }
.btn-full { width: 100%; justify-content: center; }

/* ── Badges ────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem; font-weight: 700; padding: 3px 8px;
  border-radius: 20px; letter-spacing: 0.02em; white-space: nowrap;
}
.badge-primary { background: #EFF6FF; color: #2563EB; }
.badge-success { background: #ECFDF5; color: #059669; }
.badge-warning { background: #FFFBEB; color: #D97706; }
.badge-danger { background: #FEF2F2; color: #DC2626; }
.badge-neutral { background: var(--bg); color: var(--text-secondary); }
.badge-teal { background: #F0FDFA; color: #0D9488; }
.badge-purple { background: #F5F3FF; color: #7C3AED; }

/* ── Tables ────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.865rem; }
thead tr { border-bottom: 1.5px solid var(--border); }
thead th {
  text-align: left; padding: 10px 16px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted); white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child { border-bottom: none; }
td { padding: 12px 16px; color: var(--text-primary); vertical-align: middle; }
td.muted { color: var(--text-secondary); }

/* ── Forms ─────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 0.8rem; font-weight: 600; color: var(--text-primary); letter-spacing: 0.01em;
}
.form-label .required { color: var(--danger); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 0.875rem; color: var(--text-primary);
  background: var(--surface); transition: all var(--transition); outline: none;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,165,160,0.1);
}
.form-input.error, .form-select.error { border-color: var(--danger); }
.form-hint { font-size: 0.75rem; color: var(--text-muted); }
.form-error { font-size: 0.75rem; color: var(--danger); }
.form-textarea { resize: vertical; min-height: 90px; }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ── Tabs ──────────────────────────────────────────── */
.tabs-bar {
  display: flex; gap: 2px; background: var(--bg);
  border-radius: var(--radius); padding: 4px; margin-bottom: 24px;
  border: 1px solid var(--border);
}
.tab-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 14px; border-radius: var(--radius-sm);
  font-size: 0.83rem; font-weight: 600; color: var(--text-secondary);
  transition: all var(--transition); cursor: pointer; white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.6); }
.tab-btn.active {
  background: var(--surface); color: var(--primary);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Filter Bar ────────────────────────────────────── */
.filter-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  margin-bottom: 20px; box-shadow: var(--shadow-sm);
}
.filter-item { display: flex; flex-direction: column; gap: 4px; }
.filter-label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.filter-control { display: flex; align-items: center; gap: 8px; }
.filter-select {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 7px 12px; font-size: 0.8rem; color: var(--text-primary);
  background: var(--bg); outline: none; cursor: pointer; transition: all var(--transition);
}
.filter-select:hover { border-color: var(--primary-light); background: var(--surface); }
.filter-select:focus { border-color: var(--primary); background: var(--surface); box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.1); }
body.dark-mode .filter-select:hover { background-color: var(--bg); border-color: var(--primary); }
.filter-divider { width: 1px; height: 40px; background: var(--border); }

/* ── Modal ─────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,43,91,0.5); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 580px;
  max-height: 90vh; overflow-y: auto;
  transform: scale(0.95) translateY(10px); transition: transform var(--transition-slow);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-lg { max-width: 760px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1.05rem; font-weight: 700; }
.modal-close {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--text-muted); transition: all var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px; border-top: 1px solid var(--border);
}

/* ── Toast ─────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 300;
  display: flex; flex-direction: column; gap: 10px; min-width: 300px;
}
.toast {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  display: flex; align-items: flex-start; gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s cubic-bezier(0.4,0,0.2,1);
}
@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.toast-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.toast-body { flex: 1; }
.toast-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.toast-msg { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }
.toast-close { font-size: 0.9rem; color: var(--text-muted); cursor: pointer; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--success); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

/* ── Theme Toggle Animations ───────────────────────── */
.theme-toggle-btn span {
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-toggle-btn:hover span {
  transform: rotate(20deg) scale(1.1);
}
body.dark-mode .theme-toggle-btn span {
  transform: rotate(-360deg);
}

/* ── Misc utilities ────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-right { text-align: right; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Performance Rank ──────────────────────────────── */
.rank-bar-wrap { display: flex; align-items: center; gap: 10px; }
.rank-bar-bg { flex: 1; height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; }
.rank-bar-fill { height: 100%; border-radius: 3px; transition: width 0.8s ease; }
.rank-bar-fill.best { background: var(--success); }
.rank-bar-fill.good { background: var(--accent); }
.rank-bar-fill.mid { background: var(--warning); }
.rank-bar-fill.bad { background: var(--danger); }
.rank-val { font-size: 0.8rem; font-weight: 700; color: var(--text-primary); min-width: 60px; text-align: right; }

/* ── Stat mini cards ───────────────────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 20px; }
.stat-mini {
  background: var(--surface-2); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 14px 16px;
}
.stat-mini-label { font-size: 0.73rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-mini-val { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.03em; margin-top: 4px; }
.stat-mini-sub { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* ── Empty state ───────────────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 24px;
}
.empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.empty-desc { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

/* ── Facility Card ─────────────────────────────────── */
.facility-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px; margin-bottom: 28px;
}
.facility-grid.list-view {
  grid-template-columns: 1fr;
}
.facility-grid.list-view .facility-card {
  display: grid;
  grid-template-columns: 2fr 1.5fr 2fr;
  align-items: center;
  gap: 20px;
  padding: 16px 24px;
}
.facility-grid.list-view .facility-card-top {
  margin-bottom: 0;
}
.facility-grid.list-view .facility-card-top > div:last-child {
  flex-direction: row !important;
  align-items: center !important;
  gap: 12px;
}
.facility-grid.list-view .facility-meta {
  margin-top: 0 !important;
}
.facility-grid.list-view .facility-card-footer {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}
@media (max-width: 900px) {
  .facility-grid.list-view .facility-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
.facility-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 22px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; position: relative; overflow: hidden;
}
.facility-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.facility-card-top {
  display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 14px;
}
.facility-icon-wrap {
  width: 46px; height: 46px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.facility-meta { display: flex; flex-direction: column; gap: 8px; }
.facility-meta-row { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-secondary); }
.facility-meta-row strong { color: var(--text-primary); }
.facility-card-actions { display: flex; gap: 6px; }
.facility-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-light);
}

/* ── Report Cards ──────────────────────────────────── */
.report-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 28px; }
.report-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-card); transition: all var(--transition);
  cursor: pointer;
}
.report-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.report-card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.report-card-title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.report-card-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }
.report-card-footer { display: flex; gap: 8px; margin-top: 16px; }

/* ── Settings ──────────────────────────────────────── */
.settings-section { margin-bottom: 28px; }
.settings-section-title {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.user-list-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--border-light);
  background: var(--surface); margin-bottom: 10px;
  transition: border-color var(--transition);
}
.user-list-item:hover { border-color: var(--border); }
.user-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.user-info { flex: 1; }
.user-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.user-email { font-size: 0.75rem; color: var(--text-muted); }
.user-actions { display: flex; gap: 6px; }

/* ── Alert Banner ──────────────────────────────────── */
.alert-banner {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px; border-radius: var(--radius); border: 1px solid;
  margin-bottom: 20px; font-size: 0.84rem;
}
.alert-banner.warning { background: #FFFBEB; border-color: #FDE68A; color: #92400E; }
.alert-banner.info { background: #EFF6FF; border-color: #BFDBFE; color: #1E40AF; }
.alert-banner.success { background: #ECFDF5; border-color: #A7F3D0; color: #065F46; }
.alert-banner-icon { font-size: 1rem; flex-shrink: 0; }

/* ── Comparison ────────────────────────────────────── */
.compare-facility-list {
  display: flex; flex-direction: column; gap: 8px;
}
.compare-facility-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  cursor: pointer; transition: all var(--transition); font-size: 0.85rem;
}
.compare-facility-item:hover { border-color: var(--accent); background: #F0FDFA; }
.compare-facility-item.selected { border-color: var(--accent); background: #F0FDFA; }
.compare-checkbox {
  width: 18px; height: 18px; border-radius: 4px;
  border: 2px solid var(--border); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all var(--transition); background: var(--surface);
}
.compare-facility-item.selected .compare-checkbox {
  background: var(--accent); border-color: var(--accent); color: #fff; font-size: 0.65rem;
}

/* ── Mini chart wrapper ────────────────────────────── */
.mini-chart-wrap {
  height: 60px; overflow: hidden;
}

/* Scrollbar in select  */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 10px 4px 8px;
  font-size: 0.78rem; font-weight: 500; color: var(--text-primary);
}
.chip-remove { font-size: 0.7rem; color: var(--text-muted); cursor: pointer; }
.chip-remove:hover { color: var(--danger); }

.kpi-toggle-switch { position: relative; width: 42px; height: 24px; background-color: var(--border); border-radius: 12px; cursor: pointer; transition: background-color 0.3s; display: flex; align-items: center; }
.kpi-toggle-switch.is-tl { background-color: #8B5CF6; }
.kpi-toggle-knob { position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; background-color: #fff; border-radius: 50%; transition: transform 0.3s; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.kpi-toggle-switch.is-tl .kpi-toggle-knob { transform: translateX(18px); }
.kpi-toggle-icon-tl { position: absolute; font-size: 11px; font-weight: 800; color: #fff; left: 8px; opacity: 0; transition: opacity 0.3s; }
.kpi-toggle-switch.is-tl .kpi-toggle-icon-tl { opacity: 1; }

/* ── Dashboard Specific UI ───────────────────────────── */
.card-title-sm { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.dot-warning { width: 8px; height: 8px; border-radius: 50%; background: var(--warning); }
.dot-success { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }

.mode-toggle-wrap { display: flex; background: var(--border-light); border-radius: 18px; padding: 3px; margin-left: auto; align-items: center; }
.mode-toggle-wrap button { border: none; padding: 4px 16px; font-weight: 600; font-size: 0.75rem; border-radius: 14px; cursor: pointer; transition: all 0.2s; background: transparent; color: var(--text-secondary); }
.mode-toggle-wrap button.active { background: var(--surface); color: var(--text-primary); box-shadow: var(--shadow-sm); }

.kpi-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; flex: 1; }
.kpi-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; flex: 1; }
.kpi-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; flex: 1; }

.legend-item { display: flex; justify-content: space-between; font-size: 0.75rem; margin-bottom: 4px; }
.legend-label { display: flex; align-items: center; gap: 6px; color: var(--text-secondary); }
.legend-label .dot { width: 8px; height: 8px; border-radius: 50%; }

.facility-cell { display: flex; align-items: center; gap: 10px; }
.facility-cell .name { font-weight: 600; font-size: 0.85rem; color: var(--text-primary); }
.facility-cell .loc { font-size: 0.72rem; color: var(--text-muted); }

/* ── Chart Type Toggle (Line vs Bar) ────────────────── */
.chart-type-toggle {
  display: flex;
  background: var(--border-light);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
  align-items: center;
}
.chart-type-btn {
  width: 34px;
  height: 28px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-muted);
  border: none;
  background: transparent;
}
.chart-type-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
}
.chart-type-btn:hover {
  color: var(--text-primary);
}
.chart-type-btn.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
body.dark-mode .chart-type-btn.active {
  background: var(--bg);
  color: #ffffff;
}

/* ── Mobile Specific Dashboard ─────────────────────────────── */
.kpi-mobile-view { display: none !important; }

/* ── Mobile Responsiveness ─────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0 !important;
  }
  
  .header {
    left: 0 !important;
    padding: 0 16px;
  }
  
  .page-body {
    padding: 16px;
  }
  
  .mobile-menu-btn {
    display: flex !important;
  }
  
  .header-left {
    gap: 12px !important;
  }
  
  .header-search {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    gap: 16px;
  }
  
  .page-header-actions {
    width: 100%;
    justify-content: space-between;
  }

  /* Horizontal Scroll for Charts and Reports */
  .kpi-grid, .kpi-grid-4, .kpi-grid-3, .kpi-grid-2, .chart-grid-2, .chart-grid-3, .report-grid, .facility-grid:not(.list-view) {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 12px;
    margin-bottom: 20px;
    -webkit-overflow-scrolling: touch;
  }
  
  .kpi-grid::-webkit-scrollbar, .chart-grid-2::-webkit-scrollbar, .chart-grid-3::-webkit-scrollbar, .report-grid::-webkit-scrollbar, .facility-grid::-webkit-scrollbar {
    height: 4px;
  }
  
  .kpi-desktop-view { display: none !important; }
  .kpi-mobile-view { display: flex !important; }

  .kpi-grid-mobile-scroll {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 8px;
    -ms-overflow-style: none;
    scrollbar-width: none;
    margin-bottom: 12px;
  }
  .kpi-grid-mobile-scroll::-webkit-scrollbar {
    display: none;
  }
  
  .kpi-mobile-view .kpi-card {
    min-width: 76% !important;
    max-width: 270px !important;
    scroll-snap-align: center !important;
    flex-shrink: 0 !important;
    padding: 14px 16px !important;
    height: auto !important;
    min-height: 160px !important;
    margin-bottom: 0;
  }
  .kpi-mobile-view .kpi-value {
    font-size: 1.45rem !important;
  }
  .kpi-mobile-view .kpi-icon {
    transform: scale(0.9);
  }
  .kpi-mobile-view .kpi-label {
    font-size: 0.75rem !important;
  }

  @media (max-width: 480px) {
    .kpi-mobile-view .kpi-card {
      min-width: 78% !important;
      max-width: 260px !important;
      padding: 12px !important;
    }
    .kpi-mobile-view .kpi-value {
      font-size: 1.25rem !important;
    }
    .kpi-mobile-view .kpi-icon svg {
      width: 18px;
      height: 18px;
    }
  }

  .kpi-dots-container {
    display: flex !important;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    padding-bottom: 8px;
    z-index: 10;
  }
  .kpi-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s ease;
  }
  .kpi-dot.active {
    background: var(--primary);
    width: 16px;
    border-radius: 10px;
  }
  
  #dashboard-content-wrapper {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    gap: 16px;
    padding-bottom: 20px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  #dashboard-content-wrapper::-webkit-scrollbar { display: none; }
  
  .chart-grid-3, .chart-grid-2 {
    display: contents !important;
  }
  
  #dashboard-content-wrapper .card {
    min-width: 82% !important;
    max-width: 300px !important;
    scroll-snap-align: center !important;
    flex-shrink: 0 !important;
    margin-bottom: 0 !important;
  }

  .chart-dots-container {
    display: flex !important;
    justify-content: center;
    gap: 8px;
    margin-top: 0;
    padding-bottom: 24px;
  }
  
  .chart-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s ease;
  }
  .chart-dot.active {
    background: var(--primary);
    width: 16px;
    border-radius: 10px;
  }
  
  /* Stack Dashboard KPI main wrapper */
  #dashboard-kpi-container > div {
    grid-template-columns: 1fr !important;
  }
  
  .card, .report-card, .facility-card {
    min-width: 85vw;
    scroll-snap-align: center;
    flex-shrink: 0;
  }
  
  .kpi-card {
    min-width: 100%;
    scroll-snap-align: start;
    flex-shrink: 0;
    margin-bottom: 0;
  }
  
  /* Reset internal chart heights slightly if needed */
  
  /* Touch Target Adjustments */
  .btn {
    padding: 12px 20px;
  }
  
  .filter-select, .header-period-select {
    padding: 10px 16px;
    height: 38px !important;
  }

  .stat-row {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 12px;
  }
  .stat-mini {
    min-width: 160px;
    scroll-snap-align: start;
    flex-shrink: 0;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Login Screen */
  .login-wrapper {
    grid-template-columns: 1fr !important;
  }
  .login-left {
    display: none !important;
  }
  .login-right {
    padding: 16px !important;
  }
  .login-form-wrap {
    padding: 32px 24px !important;
  }
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.sidebar-overlay.show {
  opacity: 1;
  pointer-events: auto;
}