/* ============================================
   Browser.ac Panel - Unified Dark Theme
   Tek CSS, tek palette, sifir animasyon
   ============================================ */

/* === PALETTE === */
:root {
  --sidebar-width: 250px;

  /* 2 katman: base (en koyu) + surface (yukseltimlmis) */
  --base: #0d1117;
  --surface: #151b23;
  --surface-hover: #1c2129;
  --surface-active: #212830;
  --inset: #0a0e14;

  /* border */
  --border: #2a313c;
  --border-subtle: #21272e;

  /* text */
  --text-primary: #e6edf3;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-dim: #4b5563;

  /* accent */
  --accent: #4f8ff7;
  --accent-subtle: rgba(79, 143, 247, 0.12);
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --cyan: #79c0ff;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; }

/* === BASE === */
body {
  font-family: -apple-system, 'Segoe UI', system-ui, sans-serif;
  background: var(--base) !important;
  color: var(--text-secondary) !important;
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 600; }
p { color: var(--text-secondary); }
strong { color: var(--text-primary); }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--accent); }
label, .form-label { color: var(--text-secondary); font-size: 0.875rem; }
.text-muted { color: var(--text-muted) !important; }
small { color: var(--text-muted); }
hr { border-color: var(--border-subtle); opacity: 0.6; }
code { color: var(--cyan); font-size: 0.85em; }
pre { border-radius: 8px; }

/* === LOGIN === */
.login-page {
  background: var(--base);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px;
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo {
  width: 64px; height: 64px;
  background: var(--accent);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  font-size: 28px; color: #fff;
}
.login-header h2 { font-weight: 700; }
.login-footer {
  text-align: center; margin-top: 24px; padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

/* === SIDEBAR === */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--surface);
  position: fixed; left: 0; top: 0; z-index: 1000;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border);
}
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-width))); }

.sidebar-header {
  padding: 0 20px;
  height: 56px;
  display: flex; align-items: center;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-header h4 {
  color: var(--text-primary); font-weight: 700;
  margin: 0; font-size: 1.1rem;
  white-space: nowrap;
}
.sidebar-header h4 i { color: var(--accent); margin-right: 6px; }

.sidebar-nav-wrapper {
  flex: 1; overflow-y: auto;
  padding: 4px 0;
}

.sidebar-section-title {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text-dim);
  padding: 14px 20px 6px;
  font-weight: 600;
}

.sidebar .nav { padding: 0; }
.sidebar .nav-link {
  color: var(--text-muted);
  padding: 9px 20px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem;
  border-left: 3px solid transparent;
}
.sidebar .nav-link:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}
.sidebar .nav-link.active {
  color: var(--text-primary);
  background: var(--accent-subtle);
  border-left-color: var(--accent);
}
.sidebar .nav-link i {
  font-size: 1.05rem; width: 22px; text-align: center;
  flex-shrink: 0;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-footer .user-avatar {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.85rem;
  flex-shrink: 0;
}
.sidebar-footer .user-info { flex: 1; min-width: 0; margin-left: 10px; }
.sidebar-footer .user-name {
  color: var(--text-primary); font-weight: 600;
  font-size: 0.82rem; line-height: 1.2;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-footer .user-role {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--text-dim);
}
.sidebar-footer .logout-btn {
  color: var(--text-dim); font-size: 1.2rem;
  padding: 4px 6px; text-decoration: none;
}
.sidebar-footer .logout-btn:hover { color: var(--red); }

/* === MAIN CONTENT === */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1; min-height: 100vh;
  background: var(--base);
}
.main-content.expanded { margin-left: 0; }

/* === TOPBAR === */
.navbar {
  background: var(--surface) !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: none !important;
  height: 56px; min-height: 56px;
  padding-top: 0 !important; padding-bottom: 0 !important;
}
.navbar-text { color: var(--text-muted) !important; font-size: 0.85rem; }
#sidebarToggle {
  color: var(--text-muted) !important;
  border-color: var(--border) !important;
  background: transparent !important;
}
#sidebarToggle:hover {
  color: var(--text-primary) !important;
  background: var(--surface-hover) !important;
}

/* === CARDS === */
.card {
  border: 1px solid var(--border) !important;
  background: var(--surface) !important;
  border-radius: 10px;
  box-shadow: none !important;
  margin-bottom: 16px;
  color: var(--text-secondary);
}
.card-header {
  background: var(--surface-hover) !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: 10px 10px 0 0 !important;
  font-size: 0.9rem;
}
.card-body {
  background: var(--surface) !important;
  padding: 20px;
  color: var(--text-secondary);
}

/* Stat Cards */
.stat-card { border-left: 3px solid transparent; }
.stat-card-primary { border-left-color: var(--accent) !important; }
.stat-card-success { border-left-color: var(--green) !important; }
.stat-card-warning { border-left-color: var(--yellow) !important; }
.stat-card-danger { border-left-color: var(--red) !important; }
.stat-card h3, .stat-card .mb-0 { color: var(--text-primary) !important; font-weight: 700; }
.stat-card h6, .stat-card .text-muted { color: var(--text-muted) !important; }
.stat-icon {
  width: 46px; height: 46px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
}

/* === TABLES === */
.table {
  margin-bottom: 0;
  --bs-table-bg: transparent !important;
  --bs-table-color: var(--text-secondary) !important;
  --bs-table-border-color: var(--border) !important;
}
.table > :not(caption) > * > * {
  background-color: var(--surface) !important;
  color: var(--text-secondary) !important;
  border-bottom-color: var(--border) !important;
  padding: 11px 14px;
  box-shadow: none !important;
}
.table th,
.table > thead > tr > th {
  font-weight: 600 !important;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-muted) !important;
  background-color: var(--surface-hover) !important;
  border-bottom: 2px solid var(--border) !important;
}
.table td,
.table > tbody > tr > td {
  color: var(--text-secondary) !important;
  background-color: var(--surface) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  vertical-align: middle;
}
.table-hover > tbody > tr:hover > * {
  background-color: var(--surface-hover) !important;
  color: var(--text-primary) !important;
  --bs-table-hover-bg: var(--surface-hover) !important;
  --bs-table-accent-bg: var(--surface-hover) !important;
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: var(--surface-hover) !important;
  --bs-table-striped-bg: var(--surface-hover) !important;
}
.table > :not(:first-child) { border-top: none !important; }
.table-sm > :not(caption) > * > * { padding: 7px 12px; }
.table-responsive { border-radius: 8px; }

/* === DATATABLES === */
.dataTables_wrapper { color: var(--text-muted); }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border-radius: 6px;
  border: 1px solid var(--border) !important;
  background: var(--inset) !important;
  color: var(--text-primary) !important;
  padding: 5px 10px;
  outline: none;
}
.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
  border-color: var(--accent) !important;
}
.dataTables_wrapper .dataTables_filter label,
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_info { color: var(--text-muted) !important; }
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--text-muted) !important;
  background: transparent !important;
  border: 1px solid var(--border) !important;
  border-radius: 4px;
  margin: 0 2px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--surface-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
  color: var(--text-dim) !important;
  opacity: 0.4;
}
table.dataTable.no-footer { border-bottom-color: var(--border) !important; }
.dataTables_wrapper .dataTables_empty {
  color: var(--text-dim) !important;
  background: var(--surface) !important;
}

/* === FORMS === */
.form-control, .form-select {
  background-color: var(--inset) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: 6px;
  font-size: 0.9rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px var(--accent-subtle) !important;
  background-color: var(--inset) !important;
  color: var(--text-primary) !important;
}
.form-control::placeholder { color: var(--text-dim) !important; }
.input-group-text {
  background-color: var(--surface-hover) !important;
  border-color: var(--border) !important;
  color: var(--text-muted) !important;
  font-size: 0.9rem;
}
.form-check-input {
  background-color: var(--inset);
  border-color: var(--border);
}
.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}
.form-check-input:focus { box-shadow: 0 0 0 2px var(--accent-subtle); }

/* === BUTTONS === */
.btn {
  border-radius: 6px; font-weight: 500;
  padding: 7px 14px; font-size: 0.875rem;
}
.btn-primary {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
}
.btn-primary:hover {
  background-color: #3a7de0 !important;
  border-color: #3a7de0 !important;
}
.btn-group-sm .btn { padding: 4px 8px; font-size: 0.8rem; }
.btn-outline-secondary {
  border-color: var(--border); color: var(--text-muted);
}
.btn-outline-secondary:hover {
  background: var(--surface-hover); color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline-primary { color: var(--accent); border-color: var(--accent); }
.btn-outline-primary:hover { background: var(--accent-subtle); color: var(--accent); border-color: var(--accent); }
.btn-outline-warning { color: var(--yellow); border-color: var(--yellow); }
.btn-outline-warning:hover { background: rgba(210, 153, 34, 0.12); color: var(--yellow); border-color: var(--yellow); }
.btn-outline-danger { color: var(--red); border-color: var(--red); }
.btn-outline-danger:hover { background: rgba(248, 81, 73, 0.12); color: var(--red); border-color: var(--red); }
.btn-secondary {
  background-color: var(--surface-active) !important;
  border-color: var(--border) !important;
  color: var(--text-secondary) !important;
}
.btn-secondary:hover {
  background-color: var(--surface-hover) !important;
}
.btn-close { filter: invert(1); opacity: 0.6; }
.btn-close:hover { opacity: 1; }
.btn-lg { padding: 10px 20px; font-size: 0.95rem; }

/* === MODALS === */
.modal-content {
  background-color: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: 12px;
  color: var(--text-secondary);
}
.modal-header {
  border-bottom-color: var(--border) !important;
  padding: 18px 22px;
}
.modal-title { color: var(--text-primary) !important; font-size: 1rem; }
.modal-body { padding: 22px; color: var(--text-secondary); }
.modal-footer { border-top-color: var(--border) !important; padding: 14px 22px; }
.modal-backdrop.show { opacity: 0.65; }

/* === ACCORDION === */
.accordion-item {
  border-color: var(--border) !important;
  background-color: var(--surface) !important;
  margin-bottom: 6px;
  border-radius: 8px !important;
  overflow: hidden;
}
.accordion-button {
  background-color: var(--surface) !important;
  color: var(--text-primary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 14px 18px;
}
.accordion-button:not(.collapsed) {
  background-color: var(--surface-hover) !important;
  color: var(--text-primary) !important;
  box-shadow: none !important;
}
.accordion-button::after { filter: invert(0.6); }
.accordion-button:focus { box-shadow: none !important; }
.accordion-body {
  background-color: var(--surface) !important;
  color: var(--text-secondary);
  padding: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* === ALERTS === */
.alert { border-radius: 8px; border: none; font-size: 0.9rem; }
.alert-info { background: rgba(79,143,247,0.1) !important; color: var(--cyan) !important; }
.alert-danger { background: rgba(248,81,73,0.1) !important; color: #ffa198 !important; }
.alert-warning { background: rgba(210,153,34,0.1) !important; color: #e3b341 !important; }
.alert-success { background: rgba(63,185,80,0.1) !important; color: #56d364 !important; }

/* === PROGRESS === */
.progress { border-radius: 8px; background: var(--border-subtle) !important; height: 8px; }
.progress-bar { border-radius: 8px; font-size: 0; }
.progress[style*="height: 25px"] { height: 25px !important; }
.progress[style*="height: 25px"] .progress-bar { font-size: 0.78rem; font-weight: 600; }

/* === BADGES === */
.badge {
  font-weight: 500; padding: 4px 8px;
  border-radius: 5px; font-size: 0.75rem;
}

/* === TOAST === */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 9999;
}
.custom-toast {
  min-width: 280px; padding: 12px 18px; border-radius: 8px;
  color: #fff; font-weight: 500; font-size: 0.875rem;
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.custom-toast.toast-success { background: var(--green); }
.custom-toast.toast-danger { background: var(--red); }
.custom-toast.toast-warning { background: var(--yellow); }

/* === DROPDOWN === */
.dropdown-menu {
  background-color: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.dropdown-item { color: var(--text-secondary) !important; font-size: 0.875rem; }
.dropdown-item:hover {
  background-color: var(--surface-hover) !important;
  color: var(--text-primary) !important;
}

/* === LIST GROUP === */
.list-group-item {
  background-color: var(--surface) !important;
  border-color: var(--border) !important;
  color: var(--text-secondary) !important;
}

/* === NAV TABS === */
.nav-tabs { border-bottom-color: var(--border); }
.nav-tabs .nav-link { color: var(--text-muted); }
.nav-tabs .nav-link.active {
  background-color: var(--surface) !important;
  border-color: var(--border) var(--border) var(--surface) !important;
  color: var(--text-primary) !important;
}

/* === TOOLTIP === */
.tooltip-inner { background-color: var(--surface-active); color: var(--text-primary); }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* === PRE/CODE blocks in API docs === */
pre.bg-dark {
  background: var(--inset) !important;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary) !important;
}
pre.bg-dark code {
  color: var(--cyan) !important;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .sidebar { transform: translateX(calc(-1 * var(--sidebar-width))); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}