/* ============================================
   ADMIN PANEL V2 - Sakarya Festivali
   Dark Theme / Mobile-First / Clean Design
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg: #08080e;
  --surface: #0f1019;
  --surface-alt: #141520;
  --elevated: #1a1b2e;
  --border: #1e2035;
  --border-light: #262840;

  --accent: #e91e63;
  --accent-hover: #f43688;
  --accent-soft: rgba(233, 30, 99, 0.12);

  --text: #f0f0f5;
  --text-secondary: #8b8fa3;
  --text-muted: #555770;

  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.12);
  --error: #ef4444;
  --error-soft: rgba(239, 68, 68, 0.12);
  --info: #3b82f6;
  --info-soft: rgba(59, 130, 246, 0.12);

  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --transition: 0.2s ease;

  --sidebar-w: 240px;
  --header-h: 60px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
table { border-collapse: collapse; width: 100%; }

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

/* ============ LOGIN PAGE ============ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
}

.login-card .logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-card .logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login-card .logo span {
  color: var(--accent);
}

.login-card .logo p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.login-error {
  background: var(--error-soft);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: none;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); color: var(--text); }

.btn-danger {
  background: var(--error-soft);
  color: var(--error);
  border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover { background: var(--error); color: #fff; }

.btn-success {
  background: var(--success-soft);
  color: var(--success);
}
.btn-success:hover { background: var(--success); color: #fff; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }

/* --- Filter Pills --- */
.filter-pill {
  background: var(--surface-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-weight: 500;
}
.filter-pill:hover {
  background: var(--elevated);
  color: var(--text-secondary);
  border-color: var(--text-muted);
}
.filter-pill.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* --- Filter Dropdown --- */
.filter-dropdown .dropdown-menu {
  padding: 0.35rem 0;
}

.dropdown-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.dropdown-check:hover {
  background: var(--surface-alt);
  color: var(--text);
}
.dropdown-check input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
}

.dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: 0.25rem 0;
}

.filter-count {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  margin-left: 2px;
}
.filter-count:empty { display: none; }

/* --- Dropdown Actions --- */
.dropdown-actions {
  position: relative;
  display: inline-block;
}

/* Portal container: invisible wrapper, sadece clone menüler için */
#dd-portal.dropdown-actions {
  display: block;
  position: fixed;
  pointer-events: none;
}

.dropdown-actions .dropdown-toggle {
  font-size: 0.78rem;
}

.dropdown-actions .dropdown-menu {
  display: none;
  position: fixed;
  background: var(--elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  min-width: 160px;
  z-index: 9999;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  overflow: hidden;
}

.dropdown-actions.open .dropdown-menu {
  display: flex;
  flex-direction: column;
}

.dropdown-actions .dropdown-menu button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.85rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.dropdown-actions .dropdown-menu button:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.dropdown-actions .dropdown-menu button.text-danger {
  color: var(--error);
}

.dropdown-actions .dropdown-menu button.text-danger:hover {
  background: var(--error-soft);
}

/* --- Cell Row (inline badge) --- */
.cell-row {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.period-btn.active, .scan-mode-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ============ LAYOUT ============ */
.app {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sidebar-brand h2 span { color: var(--accent); }

.sidebar-brand .event-name {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--text);
  background: var(--surface-alt);
}

.nav-item.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-right: 3px solid var(--accent);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active svg { opacity: 1; }

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sidebar-user .user-info {
  overflow: hidden;
}

.sidebar-user .user-name {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-logout {
  padding: 0.35rem 0.6rem;
  background: var(--error-soft);
  color: var(--error);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-logout:hover { background: var(--error); color: #fff; }

/* --- Main Content --- */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  min-width: 0;
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  padding: 0.4rem;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

.hamburger svg { width: 22px; height: 22px; }

.page-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.event-selector {
  padding: 0.4rem 0.7rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
  max-width: 200px;
}

/* --- Content Area --- */
.content {
  padding: 1.5rem;
  max-width: 1400px;
  overflow-x: hidden;
}

/* --- Page transitions --- */
.page {
  display: none;
  animation: fadeIn 0.2s ease;
}

.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ CARDS ============ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.stat-card .stat-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}

.stat-card .stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-card .stat-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.stat-card .stat-value.accent { color: var(--accent); }
.stat-card .stat-value.success { color: var(--success); }
.stat-card .stat-value.error { color: var(--error); }

/* Compact variant for comparison page */
.stat-card.compact {
  padding: 0.6rem 0.85rem;
}
.stat-card.compact .stat-label {
  font-size: 0.65rem;
  margin-bottom: 0.2rem;
}
.stat-card.compact .stat-value {
  font-size: 1.15rem;
}
.stat-card.compact .stat-sub {
  font-size: 0.62rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
}

.card-body {
  padding: 1.25rem;
}

.card-body.no-pad { padding: 0; }

/* ============ TABLES ============ */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 700px;
}

/* Overview page compact tables — no horizontal scroll needed */
.data-table.compact {
  min-width: 0;
}

.data-table.compact th,
.data-table.compact td {
  padding: 0.55rem 0.6rem;
}

.data-table.compact td:first-child {
  white-space: nowrap;
}

.data-table th {
  text-align: left;
  padding: 0.65rem 1rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--surface-alt);
}

.data-table td {
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--surface-alt);
}

.data-table .text-bold {
  color: var(--text);
  font-weight: 600;
}

.data-table .text-mono {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
}

.data-table .text-accent {
  color: var(--accent);
  font-weight: 600;
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-center {
  text-align: center;
}

/* ============ BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: var(--success-soft); color: var(--success); }
.badge-error { background: var(--error-soft); color: var(--error); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--accent-soft); color: var(--accent); }
.badge-muted { background: rgba(85,87,112,0.15); color: var(--text-muted); }

/* Dot indicator */
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot-success { background: var(--success); }
.dot-error { background: var(--error); }
.dot-warning { background: var(--warning); }

/* ============ SEARCH BAR ============ */
.search-bar {
  position: relative;
  max-width: 420px;
  margin-bottom: 1rem;
}

.search-bar input {
  width: 100%;
  padding: 0.6rem 0.9rem 0.6rem 2.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
}

.search-bar input:focus { border-color: var(--accent); }
.search-bar input::placeholder { color: var(--text-muted); }

.search-bar svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

/* ============ PAGINATION ============ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 1rem;
}

.pagination button {
  padding: 0.35rem 0.7rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover { background: var(--elevated); color: var(--text); }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

.pagination .page-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0 0.5rem;
}

/* ============ ACCORDION ============ */
.accordion {}

.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}

.accordion-trigger:hover { background: var(--surface-alt); }

.accordion-trigger .acc-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.accordion-trigger .acc-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 0.75rem;
}

.accordion-trigger .acc-arrow {
  transition: transform 0.2s;
  color: var(--text-muted);
}

.accordion-item.open .acc-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  border-top: 1px solid var(--border);
  overflow-x: auto;
}

.accordion-item.open .accordion-content {
  display: block;
}

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.2s;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
}

.modal-close {
  padding: 0.3rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.modal-close:hover { background: var(--elevated); color: var(--text); }
.modal-close svg { width: 18px; height: 18px; }

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* ============ FORM ELEMENTS ============ */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.form-select:focus { border-color: var(--accent); }

.form-textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  resize: vertical;
  min-height: 80px;
}

.form-textarea:focus { border-color: var(--accent); }

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state svg { width: 40px; height: 40px; margin: 0 auto 0.75rem; opacity: 0.3; }
.empty-state p { font-size: 0.85rem; }

/* ============ LOADING ============ */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 0 auto 0.5rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============ TOAST ============ */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--error); color: #fff; }
.toast-info { background: var(--info); color: #fff; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============ SECTION TOOLBAR ============ */
.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.section-toolbar .left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 200px;
  flex-wrap: wrap;
}

/* ============ OVERVIEW GRID ============ */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: start;
}

.overview-grid > .card {
  min-height: 0;
}

/* Performance summary mini cards inside card */
.perf-summary {
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0;
}

.perf-summary .stat-card {
  padding: 0.6rem 0.75rem;
  text-align: center;
}

.perf-summary .stat-card .stat-value {
  font-size: 1.15rem;
}

.perf-summary .stat-card .stat-label {
  margin-bottom: 0.25rem;
}

/* ============ MOBILE OVERLAY ============ */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
  display: none;
}

.sidebar-overlay.active { display: block; }

/* ============ TICKET CARD ============ */
.ticket-card {
  display: grid;
  grid-template-columns: auto 1.5fr 0.8fr 0.8fr 0.8fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.ticket-card:last-child { border-bottom: none; }

.ticket-card .tk-num {
  font-family: 'SF Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.ticket-card .tk-cat {
  font-weight: 600;
  font-size: 0.85rem;
}

.ticket-card .tk-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ticket-card .tk-price {
  font-weight: 700;
  color: var(--accent);
}

/* ============ TRANSFER SECTION ============ */
.transfer-section {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--surface-alt);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.transfer-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* ============ VALIDATION PAGE ============ */
.validation-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.validation-layout .card {
  min-width: 0;
}

#qrVideoContainer {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto 1rem;
  aspect-ratio: 1;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
}

#qrVideoContainer video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#qrOverlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: var(--bg);
}

/* ============ RESPONSIVE ============ */

/* Tablet */
@media (max-width: 1024px) {
  .validation-layout { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .perf-summary { grid-template-columns: repeat(3, 1fr); }
  .overview-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
  html { font-size: 15px; }
  :root { --sidebar-w: 260px; }

  .validation-layout { grid-template-columns: 1fr; }

  #qrVideoContainer {
    max-width: 100%;
    aspect-ratio: 4/3;
  }

  .main {
    margin-left: 0;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  }

  .hamburger { display: flex; }

  .content { padding: 1rem; max-width: 100%; overflow-x: hidden; }

  .header { padding: 0 1rem; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .perf-summary { grid-template-columns: 1fr 1fr 1.5fr; }
  .perf-summary .stat-card .stat-value { white-space: nowrap; font-size: 0.9rem; }
  .perf-summary .stat-card .stat-label { font-size: 0.65rem; }
  .comp-summary { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }

  .stat-card { padding: 0.65rem 0.8rem; }
  .stat-card .stat-value { font-size: 1.1rem; }
  .stat-card .stat-label { font-size: 0.62rem; }
  .stat-card.compact { padding: 0.5rem 0.7rem; }
  .stat-card.compact .stat-value { font-size: 1rem; }

  .page-title { font-size: 0.9rem; }

  .event-selector { max-width: 140px; font-size: 0.72rem; }

  .data-table th, .data-table td { padding: 0.55rem 0.7rem; font-size: 0.78rem; }

  .card { max-width: 100%; }
  .card-body { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .accordion-item { max-width: 100%; }
  .accordion-content { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .page { max-width: 100%; overflow-x: hidden; }
  .section-toolbar { max-width: 100%; }

  .modal { max-width: 100%; margin: 0.5rem; max-height: 90vh; }
  .modal-body { padding: 1rem; }

  .search-bar { max-width: 100%; min-width: 0 !important; }
  .search-bar input { font-size: 0.82rem; }

  .section-toolbar { flex-direction: column; align-items: stretch; }
  .section-toolbar .left { width: 100%; flex-wrap: nowrap; }
  .section-toolbar .left .search-bar { flex: 1; min-width: 0; }

  .overview-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .card-header { flex-wrap: wrap; gap: 0.5rem; }
}

@media (max-width: 400px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .perf-summary { grid-template-columns: 1fr 1fr 1.5fr; }
  .perf-summary .stat-card .stat-value { font-size: 0.82rem; }
  .comp-summary { grid-template-columns: repeat(2, 1fr); }
  .stat-card .stat-value { font-size: 1rem; }
  .login-card { padding: 2rem 1.25rem; }
}

/* ============ UTILITY ============ */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-sm { font-size: 0.8rem; }
.text-xs { font-size: 0.72rem; }
.hidden { display: none !important; }

/* ============ COMPARISON PAGE ============ */
.comp-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 1rem;
}

/* Summary card rows: visual grouping */
.comp-summary .stat-card.compact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 72px;
}

/* Summary group wrapper for mobile 2x3 layout */
.comp-summary-group {
  display: contents;
}

/* Section toggles */
.section-toggles {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.toggle-divider {
  display: inline-block;
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 0.15rem;
}

/* Category table grouped header */
.data-table .col-group-header {
  font-size: 0.62rem;
  font-weight: 700;
  text-align: center;
  padding: 0.45rem 0.6rem 0.2rem;
  border-bottom: none;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.data-table .col-group-header.border-left {
  border-left: 1px solid var(--border-light);
}

.data-table .sub-header {
  padding-top: 0.2rem;
  padding-bottom: 0.5rem;
  font-size: 0.62rem;
}

.data-table .sub-header.border-left,
.data-table td.border-left {
  border-left: 1px solid var(--border-light);
}

/* Pill toggle buttons */
.pill-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.pill-toggle input[type="checkbox"] {
  display: none;
}

.pill-toggle span {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 16px;
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.pill-toggle:hover span {
  border-color: var(--accent);
  color: var(--text);
}

.pill-toggle input:checked + span {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Warm variant (Kümülatif) */
.pill-toggle.warm input:checked + span {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-color: #d97706;
}

/* Cool variant (Gelecek) */
.pill-toggle.cool input:checked + span {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  border-color: #0891b2;
}

/* Collapsible card (details/summary) */
.collapsible-card {
  border: 1px solid var(--border);
}

.collapsible-card summary.card-header {
  cursor: pointer;
  list-style: none;
}

.collapsible-card summary.card-header::-webkit-details-marker { display: none; }
.collapsible-card summary.card-header::marker { display: none; content: ''; }

.collapsible-card .collapse-icon {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.collapsible-card[open] .collapse-icon {
  transform: rotate(90deg);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  display: none;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
  background: var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.25s;
  flex-shrink: 0;
}

.toggle-label input:checked + .toggle-switch {
  background: var(--accent);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s;
}

.toggle-label input:checked + .toggle-switch::after {
  transform: translateX(18px);
}

.biletix-form {
  display: grid;
  gap: 0.75rem;
}

.biletix-row {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 0.75rem;
  align-items: center;
}

.biletix-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.biletix-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  color: var(--text);
  font-size: 0.85rem;
  width: 100%;
}

.biletix-input:focus {
  border-color: var(--accent);
  outline: none;
}

.biletix-date-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.biletix-date-row input[type="date"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  color: var(--text);
  font-size: 0.85rem;
  flex: 1;
  max-width: 200px;
}

.biletix-date-row input[type="date"]:focus {
  border-color: var(--accent);
  outline: none;
}

.comp-countdown {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
}

.stat-value.success { color: var(--success); }
.stat-value.error { color: var(--error); }
.stat-value.accent { color: var(--accent); }

@media (max-width: 768px) {
  .comp-summary {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.5rem;
  }
  /* Reorder: sales cards left column, ciro cards right column */
  .comp-summary .stat-card.compact:nth-child(1) { order: 1; } /* Toplam Satış → sol üst */
  .comp-summary .stat-card.compact:nth-child(2) { order: 3; } /* Geçen Yıl Satış → sol orta */
  .comp-summary .stat-card.compact:nth-child(3) { order: 5; } /* Satış Farkı → sol alt */
  .comp-summary .stat-card.compact:nth-child(4) { order: 2; } /* Toplam Ciro → sağ üst */
  .comp-summary .stat-card.compact:nth-child(5) { order: 4; } /* Geçen Yıl Ciro → sağ orta */
  .comp-summary .stat-card.compact:nth-child(6) { order: 6; } /* Ciro Farkı → sağ alt */
  .comp-summary .stat-card.compact { padding: 0.55rem 0.6rem; min-height: 64px; }
  .comp-summary .stat-card.compact .stat-value { font-size: 0.95rem; }
  .comp-summary .stat-card.compact .stat-label { font-size: 0.6rem; }
  .comp-summary .stat-card.compact .stat-sub { font-size: 0.56rem; }
  .biletix-row { grid-template-columns: 80px 1fr 1fr; }
  .section-toggles { gap: 0.25rem; }
  .pill-toggle span { padding: 0.22rem 0.55rem; font-size: 0.65rem; }
}

@media (max-width: 500px) {
  .comp-summary {
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }
  .comp-summary .stat-card.compact { padding: 0.5rem 0.5rem; min-height: 58px; }
  .comp-summary .stat-card.compact .stat-value { font-size: 0.88rem; }
  .comp-summary .stat-card.compact .stat-label { font-size: 0.56rem; }
  .comp-summary .stat-card.compact .stat-sub { font-size: 0.52rem; }
  .biletix-row { grid-template-columns: 1fr; gap: 0.25rem; }
  .pill-toggle span { padding: 0.2rem 0.45rem; font-size: 0.6rem; }
}