/* ═══════════════════════════════════════════════════════════════
   i-Bina Blazor — Modern UI Layer (unified forms, tables, cards)
   ═══════════════════════════════════════════════════════════════ */

/* ─── Global base ─── */
html, body {
  font-family: var(--ib-font);
  font-size: var(--ib-text-md);
  color: var(--ib-on-surface);
  background: var(--ib-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ib-primary); text-decoration: none; transition: color var(--ib-transition); }
a:hover { color: var(--ib-primary-dark); }

/* ─── Page shells ─── */
.main-content,
.about-us-page,
.grade-management,
.owner-task-shell,
.dash-overview {
  animation: ib-fade-in 0.35s ease;
}

@keyframes ib-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Unified buttons ─── */
.btn-primary, .login-button, .registration-submit, .personal-primary,
.save-button, .document-primary, .submit-button, .dash-btn--primary,
.message-modal__button {
  background: var(--ib-primary-gradient) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--ib-radius-sm) !important;
  font-weight: 600 !important;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(37, 99, 235,.28) !important;
  transition: transform var(--ib-transition), box-shadow var(--ib-transition), filter var(--ib-transition) !important;
}

.btn-primary:hover, .login-button:hover:not(:disabled), .registration-submit:hover:not(:disabled),
.personal-primary:hover, .save-button:hover, .document-primary:hover, .submit-button:hover,
.dash-btn--primary:hover, .message-modal__button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 99, 235,.35) !important;
}

.btn-primary:disabled, .login-button:disabled, .registration-submit:disabled {
  background: var(--ib-on-surface-subtle) !important;
  box-shadow: none !important;
  cursor: not-allowed;
  transform: none !important;
}

.btn-secondary, .registration-cancel, .document-secondary, .secondary-button,
.cancel-button, .back-button, .dash-btn--outline {
  background: var(--ib-surface-card) !important;
  color: var(--ib-on-surface) !important;
  border: 1px solid var(--ib-outline) !important;
  border-radius: var(--ib-radius-sm) !important;
  font-weight: 600 !important;
  transition: background var(--ib-transition), border-color var(--ib-transition) !important;
}

.btn-secondary:hover, .registration-cancel:hover, .document-secondary:hover,
.secondary-button:hover, .cancel-button:hover, .dash-btn--outline:hover {
  background: var(--ib-surface-hover) !important;
  border-color: var(--ib-primary) !important;
  color: var(--ib-primary-dark) !important;
}

.btn-delete {
  background: var(--ib-error) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--ib-radius-sm) !important;
}

.btn-sm { padding: 6px 12px !important; font-size: var(--ib-text-xs) !important; }

/* ─── Unified form inputs ─── */
.form-input, .registration-input, .column-filter,
.personal-input-card input, .personal-input-card select, .security-input-card input, .security-input-card select,
.form-group input, .form-group select, .form-group textarea,
.owner-form-grid input, .owner-form-grid select, textarea,
.owner-task-toolbar input, .owner-task-toolbar select,
.filter-select, .search-input, .message-input-textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: var(--ib-text-md);
  color: var(--ib-on-surface);
  background: var(--ib-surface-card);
  border: 1px solid var(--ib-outline);
  border-radius: var(--ib-radius-sm);
  box-sizing: border-box;
  transition: border-color var(--ib-transition), box-shadow var(--ib-transition);
}

.form-input:focus, .registration-input:focus, .column-filter:focus,
.personal-input-card input:focus, .personal-input-card select:focus, .security-input-card input:focus, .security-input-card select:focus,
.form-group input:focus, .form-group select:focus, .owner-form-grid input:focus,
.owner-task-toolbar input:focus, .filter-select:focus, .search-input:focus,
.message-input-textarea:focus {
  outline: none;
  border-color: var(--ib-primary);
  box-shadow: var(--ib-focus-ring);
}

.form-label, .registration-field label, .form-group label,
.owner-form-grid label {
  font-size: var(--ib-text-sm);
  font-weight: 600;
  color: var(--ib-on-surface);
  margin-bottom: 6px;
}

.form-group, .registration-field { margin-bottom: var(--ib-space-4); }

.required { color: var(--ib-error); }

.disabled-input {
  background: var(--ib-surface-hover) !important;
  color: var(--ib-on-surface-muted) !important;
  cursor: not-allowed;
}

/* ─── Unified cards ─── */
.login-form, .registration-card, .signup-container-modern,
.personal-section-card, .security-section, .document-card,
.proposal-card, .dash-kpi, .dash-chart-panel, .setting-modal,
.forgot-password-modal, .verification-container, .reset-password-container {
  background: var(--ib-surface-card);
  border: 1px solid var(--ib-outline-light);
  border-radius: var(--ib-radius-lg);
  box-shadow: var(--ib-shadow-md);
}

/* ─── Unified tables ─── */
.owner-task-table, .grade-table, .user-list-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--ib-surface-card);
  border-radius: var(--ib-radius);
  overflow: hidden;
  box-shadow: var(--ib-shadow);
  border: 1px solid var(--ib-outline-light);
}

.owner-task-table th, .grade-table th, .user-list-table th {
  background: var(--ib-surface-hover);
  font-size: var(--ib-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ib-on-surface-muted);
  padding: 12px 16px;
  border-bottom: 1px solid var(--ib-outline-light);
  text-align: start;
}

.owner-task-table td, .grade-table td, .user-list-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ib-outline-light);
  font-size: var(--ib-text-sm);
  color: var(--ib-on-surface);
  vertical-align: middle;
}

.owner-task-table tr:last-child td, .grade-table tr:last-child td { border-bottom: none; }
.owner-task-table tbody tr:hover, .grade-table tbody tr:hover { background: var(--ib-surface-hover); }

.grade-table th.sortable { cursor: pointer; user-select: none; }
.grade-table th.sortable:hover { color: var(--ib-primary); }

.filter-row { background: var(--ib-surface) !important; }
.filter-row th { padding: 8px 12px !important; }

.no-data {
  text-align: center;
  padding: 48px 24px;
  color: var(--ib-on-surface-muted);
  font-size: var(--ib-text-md);
}

/* ─── Alerts & feedback ─── */
.error-message, .personal-feedback.error, .security-feedback.error, .document-feedback.error {
  background: var(--ib-error-bg) !important;
  color: var(--ib-error) !important;
  border: 1px solid rgba(220,38,38,.2) !important;
  border-radius: var(--ib-radius-sm) !important;
  padding: 12px 16px !important;
  font-size: var(--ib-text-sm) !important;
}

.success-message, .personal-feedback.success, .security-feedback.success,
.document-feedback.success, .alert-success {
  background: var(--ib-success-bg) !important;
  color: var(--ib-success) !important;
  border: 1px solid rgba(5,150,105,.2) !important;
  border-radius: var(--ib-radius-sm) !important;
  padding: 12px 16px !important;
}

.alert-error {
  background: var(--ib-error-bg) !important;
  color: var(--ib-error) !important;
  border: 1px solid rgba(220,38,38,.2) !important;
  border-radius: var(--ib-radius-sm) !important;
}

.info-message {
  background: var(--ib-info-bg) !important;
  color: var(--ib-info) !important;
  border: 1px solid rgba(2,132,199,.2) !important;
  border-radius: var(--ib-radius-sm) !important;
}

.validation-message { color: var(--ib-error); font-size: var(--ib-text-xs); margin-top: 4px; }

/* ─── Page headers ─── */
.owner-task-header h1, .owner-task-shell h1, .grade-header h1,
.dash-overview__title, .registration-head h1, .signup-header h1 {
  font-family: var(--ib-font-display);
  font-weight: 800;
  color: var(--ib-on-surface);
  letter-spacing: -0.02em;
}

.dash-overview__eyebrow, .registration-badge, .form-header-eyebrow {
  color: var(--ib-primary) !important;
  background: var(--ib-primary-light) !important;
}

/* ─── Toolbars & actions ─── */
.owner-task-toolbar, .dash-toolbar, .form-actions, .registration-actions,
.personal-actions, .security-actions, .document-actions, .pagination {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ib-space-2);
  align-items: center;
}

.owner-task-toolbar button, .owner-task-toolbar a {
  padding: 9px 16px;
  border-radius: var(--ib-radius-sm);
  font-weight: 600;
  font-size: var(--ib-text-sm);
  text-decoration: none;
  transition: all var(--ib-transition);
}

/* ─── Modals ─── */
.setting-modal-overlay, .forgot-password-modal-overlay, .verification-modal-overlay,
.message-modal__overlay {
  backdrop-filter: blur(4px);
  background: rgba(15,23,42,.45) !important;
}

.setting-modal-header {
  background: var(--ib-primary-gradient) !important;
  border-radius: var(--ib-radius-lg) var(--ib-radius-lg) 0 0 !important;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--ib-outline-light);
}

.modal-header h2 {
  margin: 0;
  font-size: var(--ib-text-xl);
  font-weight: 700;
  color: var(--ib-on-surface);
}

.close-button, .setting-modal-close {
  background: var(--ib-surface-hover) !important;
  border: none !important;
  border-radius: var(--ib-radius-full) !important;
  color: var(--ib-on-surface-muted) !important;
  cursor: pointer;
  transition: background var(--ib-transition);
}

.close-button:hover, .setting-modal-close:hover {
  background: var(--ib-outline-light) !important;
  color: var(--ib-on-surface) !important;
}

/* ─── Setting pages fix (remove duplicate sidebar margin) ─── */
.grade-management {
  margin-left: 0 !important;
  margin-top: 0 !important;
  width: 100% !important;
  max-width: 1200px;
  padding: var(--ib-space-6);
  min-height: auto;
}

.grade-header {
  margin-bottom: var(--ib-space-6);
  padding-bottom: var(--ib-space-4);
  border-bottom: 1px solid var(--ib-outline-light);
}

.grade-header h1 { margin: 0; font-size: var(--ib-text-2xl); }

/* ─── Profile forms ─── */
.admin-personal-form, .admin-document-upload-form, .security-authentication-form {
  background: var(--ib-surface) !important;
  padding: var(--ib-space-6);
  min-height: auto;
}

.personal-header-card, .document-header-card, .security-hero-card {
  border-radius: var(--ib-radius-lg) !important;
  box-shadow: var(--ib-shadow) !important;
}

/* ─── Cards grid ─── */
.cards-grid {
  gap: var(--ib-space-4);
}

.proposal-card {
  transition: transform var(--ib-transition), box-shadow var(--ib-transition);
}

.proposal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ib-shadow-md);
}

.proposal-card.best-value {
  border-color: var(--ib-success) !important;
  box-shadow: 0 0 0 2px rgba(5,150,105,.15) !important;
}

/* ─── AI assist panel ─── */
.ai-assist {
  border-left-color: var(--ib-secondary) !important;
  border-radius: var(--ib-radius) !important;
  background: var(--ib-secondary-light) !important;
}

/* ─── Checkbox accent ─── */
.checkbox, input[type="checkbox"] { accent-color: var(--ib-primary); }

/* ─── Loading states ─── */
.loading, .dash-loading, .chat-list-loading, .notification-loading {
  color: var(--ib-on-surface-muted);
  padding: var(--ib-space-8);
  text-align: center;
}

.loading-spinner, .app-loading__mark {
  border-top-color: var(--ib-primary) !important;
}

/* ─── Scrollbar (webkit) ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ib-outline); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ib-on-surface-subtle); }

/* ─── Route guard & 404 ─── */
.route-guard-loading,
.not-found-page {
  max-width: 32rem;
  margin: 3rem auto;
  padding: var(--ib-space-8);
  text-align: center;
}

.route-guard-denied,
.not-found-page {
  max-width: 36rem;
  margin: 3rem auto;
  padding: var(--ib-space-8);
  text-align: center;
  background: var(--ib-surface-card);
  border: 1px solid var(--ib-outline-light);
  border-radius: var(--ib-radius-lg);
  box-shadow: var(--ib-shadow);
}

.route-guard-denied h1,
.not-found-page h1 {
  margin: 0 0 var(--ib-space-3);
  font-size: var(--ib-text-2xl);
  font-weight: 800;
  color: var(--ib-on-surface);
}

.route-guard-denied p,
.not-found-page p {
  margin: 0 0 var(--ib-space-5);
  color: var(--ib-on-surface-muted);
  line-height: 1.6;
}

.route-guard-denied__actions {
  display: flex;
  gap: var(--ib-space-3);
  justify-content: center;
  flex-wrap: wrap;
}