/* ============================================================
   MailerPlus — Kurumsal UI (Açık / Koyu)
   html[data-theme="light"] | html[data-theme="dark"]
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

html[data-theme="light"],
html[data-theme="dark"] {
  --radius: 6px;
  --primary: #0d7377;
  --primary-hover: #095e61;
  --success: #1f7a4c;
  --warning: #b45309;
  --danger: #b42318;
  --font: 'IBM Plex Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* —— Açık —— */
html[data-theme="light"] {
  --bg: #eef1f4;
  --surface: #ffffff;
  --surface2: #f5f7f9;
  --border: #d5dde5;
  --text: #0c1929;
  --text-muted: #5a6b7d;
  --shadow: 0 1px 2px rgba(12, 25, 41, 0.04), 0 8px 24px rgba(12, 25, 41, 0.06);
  --ink: #0c1929;
  --ink-soft: #152536;
  --accent-soft: rgba(13, 115, 119, 0.1);
  --sidebar-bg: #0c1929;
  --sidebar-text: rgba(197, 208, 220, 0.78);
  --sidebar-text-strong: #f4f7fa;
  --sidebar-active-bg: rgba(13, 115, 119, 0.22);
  --sidebar-active-text: #9fe3e5;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --topbar-bg: rgba(255, 255, 255, 0.86);
  --table-head: #f0f3f6;
  --row-hover: #f7fafb;
  --input-bg: #ffffff;
  --badge-gray-bg: #e8eef3;
  --badge-gray-text: #4a5b6c;
  --login-panel: #ffffff;
  --login-brand: #f4f7fa;
  --login-muted: rgba(244, 247, 250, 0.65);
  color-scheme: light;
}

/* —— Koyu —— */
html[data-theme="dark"] {
  --bg: #0b1219;
  --surface: #121c28;
  --surface2: #182433;
  --border: #2a3a4d;
  --text: #e8eef4;
  --text-muted: #8b9aab;
  --primary: #2aa8ac;
  --primary-hover: #3bb8bc;
  --success: #3d9b6a;
  --warning: #d97706;
  --danger: #e35d50;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 12px 32px rgba(0, 0, 0, 0.35);
  --ink: #e8eef4;
  --ink-soft: #c5d0dc;
  --accent-soft: rgba(42, 168, 172, 0.16);
  --sidebar-bg: #080e16;
  --sidebar-text: rgba(197, 208, 220, 0.72);
  --sidebar-text-strong: #f4f7fa;
  --sidebar-active-bg: rgba(42, 168, 172, 0.18);
  --sidebar-active-text: #9fe3e5;
  --sidebar-border: rgba(255, 255, 255, 0.07);
  --topbar-bg: rgba(18, 28, 40, 0.9);
  --table-head: #152232;
  --row-hover: #172536;
  --input-bg: #0f1824;
  --badge-gray-bg: #1c2a3b;
  --badge-gray-text: #9aabbc;
  --login-panel: #121c28;
  --login-brand: #f4f7fa;
  --login-muted: rgba(232, 238, 244, 0.62);
  color-scheme: dark;
}

html[data-theme="light"] body,
html[data-theme="dark"] body {
  font-family: var(--font);
  color: var(--text);
  letter-spacing: 0.005em;
  background: var(--bg);
}

html[data-theme="light"] body {
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(13, 115, 119, 0.07), transparent 55%),
    radial-gradient(900px 500px at -10% 100%, rgba(12, 25, 41, 0.05), transparent 50%),
    linear-gradient(180deg, #f7f8fa 0%, var(--bg) 40%, #e8edf2 100%);
}

html[data-theme="dark"] body {
  background:
    radial-gradient(1000px 500px at 100% 0%, rgba(42, 168, 172, 0.08), transparent 50%),
    radial-gradient(800px 400px at 0% 100%, rgba(20, 40, 70, 0.35), transparent 55%),
    linear-gradient(180deg, #0e1620 0%, var(--bg) 45%, #0a1018 100%);
}

/* —— Login —— */
html[data-theme="light"] .login-page,
html[data-theme="dark"] .login-page {
  background: linear-gradient(145deg, #0c1929 0%, #132a40 42%, #0d7377 160%);
}
html[data-theme="light"] .login-brand h1,
html[data-theme="dark"] .login-brand h1 {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--login-brand);
}
html[data-theme="light"] .login-brand p,
html[data-theme="dark"] .login-brand p {
  color: var(--login-muted);
  font-size: 0.95rem;
}
html[data-theme="light"] .login-brand .logo,
html[data-theme="dark"] .login-brand .logo {
  background: #0d7377;
  border-radius: 6px;
  box-shadow: none;
  color: #fff;
}
html[data-theme="light"] .login-form,
html[data-theme="dark"] .login-form {
  background: var(--login-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--text);
}
html[data-theme="light"] .login-form h2,
html[data-theme="dark"] .login-form h2 {
  font-family: var(--font);
  font-weight: 600;
  color: var(--text);
}
html[data-theme="light"] .login-form .form-group label,
html[data-theme="dark"] .login-form .form-group label {
  color: var(--text-muted);
  font-weight: 600;
}
html[data-theme="light"] .login-form input,
html[data-theme="dark"] .login-form input {
  background: var(--input-bg);
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="light"] .login-form input:focus,
html[data-theme="dark"] .login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* —— Shell —— */
html[data-theme="light"] .sidebar,
html[data-theme="dark"] .sidebar {
  width: 248px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  color: var(--sidebar-text);
}
html[data-theme="light"] .main,
html[data-theme="dark"] .main { margin-left: 248px; }

html[data-theme="light"] .sidebar-brand,
html[data-theme="dark"] .sidebar-brand {
  border-bottom-color: var(--sidebar-border);
  color: var(--sidebar-text-strong);
  padding: 1.35rem 1.4rem;
}
html[data-theme="light"] .sidebar-brand span,
html[data-theme="dark"] .sidebar-brand span {
  font-family: var(--font);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
html[data-theme="light"] .sidebar-brand .logo,
html[data-theme="dark"] .sidebar-brand .logo {
  background: #0d7377;
  border-radius: 6px;
  color: #fff;
  font-family: var(--font);
}
html[data-theme="light"] .sidebar-panel-tag,
html[data-theme="dark"] .sidebar-panel-tag {
  color: rgba(197, 208, 220, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.65rem;
}
html[data-theme="light"] .nav-item,
html[data-theme="dark"] .nav-item {
  color: var(--sidebar-text);
  border-radius: 6px;
  margin: 0 0.5rem 0.15rem;
  border-left: 2px solid transparent;
}
html[data-theme="light"] .nav-item:hover,
html[data-theme="dark"] .nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--sidebar-text-strong);
}
html[data-theme="light"] .nav-item.active,
html[data-theme="dark"] .nav-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left-color: var(--primary);
}
html[data-theme="light"] .sidebar-footer,
html[data-theme="dark"] .sidebar-footer {
  border-top-color: var(--sidebar-border);
  color: rgba(197, 208, 220, 0.65);
}

html[data-theme="light"] .topbar,
html[data-theme="dark"] .topbar {
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}
html[data-theme="light"] .topbar h1,
html[data-theme="dark"] .topbar h1 {
  font-family: var(--font);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
html[data-theme="light"] .content,
html[data-theme="dark"] .content {
  padding: 1.5rem 2rem 2.5rem;
}

/* —— Cards / stats —— */
html[data-theme="light"] .card,
html[data-theme="dark"] .card,
html[data-theme="light"] .stat-card,
html[data-theme="dark"] .stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
html[data-theme="light"] .card-header,
html[data-theme="dark"] .card-header {
  background: var(--surface2);
  border-bottom-color: var(--border);
}
html[data-theme="light"] .card-header h3,
html[data-theme="dark"] .card-header h3 {
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
html[data-theme="light"] .stat-card .label,
html[data-theme="dark"] .stat-card .label {
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.06em;
}
html[data-theme="light"] .stat-card .value,
html[data-theme="dark"] .stat-card .value {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
html[data-theme="light"] .stat-card.primary .value,
html[data-theme="dark"] .stat-card.primary .value { color: var(--primary); }
html[data-theme="light"] .stat-card.success .value,
html[data-theme="dark"] .stat-card.success .value { color: var(--success); }

html[data-theme="light"] .dashboard-filter-field label,
html[data-theme="dark"] .dashboard-filter-field label {
  color: var(--text-muted);
  font-weight: 600;
}
html[data-theme="light"] .dashboard-preset-btn,
html[data-theme="dark"] .dashboard-preset-btn {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  font-weight: 500;
}
html[data-theme="light"] .dashboard-preset-btn:hover:not(:disabled),
html[data-theme="dark"] .dashboard-preset-btn:hover:not(:disabled) {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
  box-shadow: none;
}
html[data-theme="light"] .dashboard-preset-btn.active,
html[data-theme="dark"] .dashboard-preset-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
  box-shadow: none;
}
html[data-theme="dark"] .dashboard-preset-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #062628;
}
html[data-theme="light"] .dashboard-loading,
html[data-theme="dark"] .dashboard-loading {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  color: var(--text-muted);
}
html[data-theme="light"] .dashboard-spinner,
html[data-theme="dark"] .dashboard-spinner {
  border-color: color-mix(in srgb, var(--text) 12%, transparent);
  border-top-color: var(--primary);
}

/* —— Tables —— */
html[data-theme="light"] th,
html[data-theme="dark"] th {
  background: var(--table-head);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
html[data-theme="light"] td,
html[data-theme="dark"] td {
  border-bottom-color: var(--border);
  color: var(--text);
}
html[data-theme="light"] tr:hover td,
html[data-theme="dark"] tr:hover td {
  background: var(--row-hover);
}

/* —— Forms / buttons —— */
html[data-theme="light"] .form-group label,
html[data-theme="dark"] .form-group label {
  color: var(--text-muted);
  font-weight: 600;
}
html[data-theme="light"] .form-group input,
html[data-theme="dark"] .form-group input,
html[data-theme="light"] .form-group textarea,
html[data-theme="dark"] .form-group textarea,
html[data-theme="light"] .form-group select,
html[data-theme="dark"] .form-group select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  box-shadow: none;
}
html[data-theme="light"] .form-group input:focus,
html[data-theme="dark"] .form-group input:focus,
html[data-theme="light"] .form-group textarea:focus,
html[data-theme="dark"] .form-group textarea:focus,
html[data-theme="light"] .form-group select:focus,
html[data-theme="dark"] .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

html[data-theme="light"] .btn,
html[data-theme="dark"] .btn {
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
html[data-theme="light"] .btn-primary,
html[data-theme="dark"] .btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: none;
}
html[data-theme="light"] .btn-primary:hover,
html[data-theme="dark"] .btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
html[data-theme="light"] .btn-ghost,
html[data-theme="dark"] .btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}
html[data-theme="light"] .btn-ghost:hover,
html[data-theme="dark"] .btn-ghost:hover {
  background: var(--surface2);
  color: var(--text);
}
html[data-theme="light"] .btn-secondary,
html[data-theme="dark"] .btn-secondary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}
html[data-theme="dark"] .btn-secondary {
  background: #d7e2ec;
  border-color: #d7e2ec;
  color: #0b1219;
}

/* —— Badges —— */
html[data-theme="light"] .badge,
html[data-theme="dark"] .badge {
  border-radius: 4px;
  font-weight: 600;
}
html[data-theme="light"] .badge-green,
html[data-theme="dark"] .badge-green {
  background: rgba(31, 122, 76, 0.14);
  color: var(--success);
}
html[data-theme="light"] .badge-red,
html[data-theme="dark"] .badge-red {
  background: rgba(180, 35, 24, 0.12);
  color: var(--danger);
}
html[data-theme="light"] .badge-gray,
html[data-theme="dark"] .badge-gray {
  background: var(--badge-gray-bg);
  color: var(--badge-gray-text);
}
html[data-theme="light"] .badge-blue,
html[data-theme="dark"] .badge-blue,
html[data-theme="light"] .badge-primary,
html[data-theme="dark"] .badge-primary {
  background: var(--accent-soft);
  color: var(--primary);
}

html[data-theme="light"] .progress-bar,
html[data-theme="dark"] .progress-bar,
html[data-theme="light"] .link-stat-bar,
html[data-theme="dark"] .link-stat-bar {
  background: var(--surface2);
}
html[data-theme="light"] .exclude-recent-hint,
html[data-theme="dark"] .exclude-recent-hint,
html[data-theme="light"] .info-box,
html[data-theme="dark"] .info-box {
  color: var(--text-muted);
}
html[data-theme="light"] .info-box,
html[data-theme="dark"] .info-box {
  background: var(--surface2);
  border: 1px solid var(--border);
}
html[data-theme="light"] .toast,
html[data-theme="dark"] .toast {
  background: var(--ink);
  color: var(--surface);
  border-radius: 6px;
  box-shadow: var(--shadow);
}
html[data-theme="dark"] .toast {
  background: #d7e2ec;
  color: #0b1219;
}
html[data-theme="light"] .alert-error,
html[data-theme="dark"] .alert-error {
  background: rgba(180, 35, 24, 0.1);
  border: 1px solid rgba(180, 35, 24, 0.28);
  color: var(--danger);
}
html[data-theme="light"] .modal-card,
html[data-theme="dark"] .modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
html[data-theme="light"] code,
html[data-theme="dark"] code {
  background: var(--surface2);
  color: var(--primary);
  border-radius: 4px;
}

html[data-theme="light"] .customer-smtp-picker,
html[data-theme="dark"] .customer-smtp-picker {
  background: var(--surface2);
  border-color: var(--border);
}
html[data-theme="light"] .customer-smtp-row:hover,
html[data-theme="dark"] .customer-smtp-row:hover {
  background: var(--surface);
}

/* Theme switcher */
.theme-switcher {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1000;
  display: flex;
  gap: 0.25rem;
  padding: 0.3rem;
  background: var(--surface, #fff);
  border: 1px solid var(--border, #d5dde5);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(12, 25, 41, 0.12);
  font-family: 'IBM Plex Sans', Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
}
html[data-theme="dark"] .theme-switcher {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.theme-switcher button {
  border: 0;
  background: transparent;
  color: var(--text-muted, #5a6b7d);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}
.theme-switcher button.active {
  background: var(--primary, #0d7377);
  color: #fff;
}

@media (max-width: 900px) {
  html[data-theme="light"] .main,
  html[data-theme="dark"] .main { margin-left: 0; }
}