:root {
  --bg: #f7f3f1;
  --bg-soft: #efe7e4;
  --surface: #ffffff;
  --surface-soft: #f8f4f2;
  --surface-alt: #f3ece9;
  --border: #e5d9d4;
  --text: #2c211f;
  --muted: #6f625d;
  --primary: #8f1d13;
  --primary-soft: #b2473c;
  --primary-hover: #74170f;
  --danger: #d92d20;
  --success: #1f8a4c;
  --radius: 14px;
  --shadow: 0 12px 30px rgba(64, 40, 32, 0.08);
}

html[data-theme="dark"] {
  --bg: #111214;
  --bg-soft: #17181b;
  --surface: #1c1c1e;
  --surface-soft: #222327;
  --surface-alt: #2a2d33;
  --border: #343438;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --primary: #c5453a;
  --primary-soft: #e06d61;
  --primary-hover: #de6357;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%) !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }

.container,
.container-box,
.admin-container,
.wrap-table100,
.login-card,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-header,
.admin-header,
.header {
  text-align: center;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.page-header h1,
.admin-header h1,
.header h1,
.login-title,
.main-title {
  color: var(--text);
  letter-spacing: -0.02em;
}

.page-header p,
.admin-header p,
.header p,
.subtitle,
.muted,
.search-count-text,
.mail-visible-count,
.user-details,
.user-greeting,
.footer-year {
  color: var(--muted) !important;
}

.nav-top,
.admin-nav,
.page-actions,
.user-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

button,
.btn-nav,
.btn-nav-admin,
.btn-save,
.btn-upload,
.btn-send-all,
.btn-switch,
.btn-toggle,
.btn-back,
.btn-back-home,
.btn-logout,
.login-submit,
.btn-confirm-delete,
.btn-select-all,
.btn-select-none,
.btn-select-visible,
.btn-filter,
.theme-toggle-btn,
.logout-link,
.btn-admin-action,
.btn-admin-link,
.btn-preview,
.btn-edit,
.btn-delete,
.btn-fix,
.btn-create-dirs {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-nav,
.btn-nav-admin,
.btn-save,
.btn-upload,
.btn-send-all,
.btn-switch,
.btn-back-home,
.btn-logout,
.login-submit,
.btn-confirm-delete,
.btn-admin-action,
.btn-admin-link,
.btn-select-visible {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%) !important;
  color: #fff !important;
}

.btn-nav:hover,
.btn-nav-admin:hover,
.btn-save:hover,
.btn-upload:hover,
.btn-send-all:hover,
.btn-switch:hover,
.btn-back-home:hover,
.btn-logout:hover,
.login-submit:hover,
.btn-confirm-delete:hover,
.btn-admin-action:hover,
.btn-admin-link:hover,
.btn-select-visible:hover {
  filter: brightness(0.96);
}

.btn-back,
.btn-select-all,
.btn-select-none,
.btn-toggle,
.btn-filter,
.theme-toggle-btn,
.logout-link {
  background: var(--surface-soft) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}

.btn-delete,
.danger,
.btn-confirm-delete {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #fff;
}

.btn-preview,
.btn-edit {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
}

input,
select,
textarea,
.login-field,
.search-input,
.mail-search-input,
.search-filter-bar input,
.form-group input,
.form-group textarea,
.form-group select,
.prefs-select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
}

input:focus,
select:focus,
textarea:focus,
.login-field:focus,
.search-input:focus,
.mail-search-input:focus,
.search-filter-bar input:focus,
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.prefs-select:focus {
  outline: none;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(143, 29, 19, 0.16);
}

.table,
.prefs-table,
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td,
.prefs-table th,
.prefs-table td {
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

th,
.prefs-table th {
  background: var(--surface-soft);
}

.message {
  border-radius: 10px;
  padding: 12px 14px;
}

.message.success,
.log-success,
.summary {
  background: rgba(31, 138, 76, 0.14);
  border: 1px solid rgba(31, 138, 76, 0.32);
  color: #0f6a36;
}

.message.error,
.log-error {
  background: rgba(217, 45, 32, 0.14);
  border: 1px solid rgba(217, 45, 32, 0.3);
  color: #8f1d13;
}

html[data-theme="dark"] .message.success,
html[data-theme="dark"] .log-success,
html[data-theme="dark"] .summary {
  color: #7de3a9;
}

html[data-theme="dark"] .message.error,
html[data-theme="dark"] .log-error {
  color: #ff9f96;
}

@media (max-width: 900px) {
  .container,
  .container-box,
  .admin-container,
  .wrap-table100 {
    border-radius: 12px;
  }
}