/* ==========================================================================
   Reminder Bot Dashboard – Style System
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Design Tokens
   --------------------------------------------------------------------------- */
:root {
  /* Color palette */
  --clr-bg:           #0c0e14;
  --clr-surface:      #151823;
  --clr-surface-2:    #1c2030;
  --clr-surface-3:    #242838;
  --clr-border:       #2a2e42;
  --clr-border-light: #353a52;

  --clr-text:         #e8eaf0;
  --clr-text-muted:   #8b90a8;
  --clr-text-dim:     #5c6180;

  --clr-accent:       #6c5ce7;
  --clr-accent-hover: #7c6ff0;
  --clr-accent-glow:  rgba(108, 92, 231, .25);

  --clr-success:      #00cec9;
  --clr-success-bg:   rgba(0, 206, 201, .12);
  --clr-warning:      #fdcb6e;
  --clr-warning-bg:   rgba(253, 203, 110, .12);
  --clr-danger:       #ff7675;
  --clr-danger-bg:    rgba(255, 118, 117, .12);
  --clr-info:         #74b9ff;
  --clr-info-bg:      rgba(116, 185, 255, .12);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fs-xs:   .72rem;
  --fs-sm:   .82rem;
  --fs-base: .92rem;
  --fs-md:   1.05rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.6rem;
  --fs-2xl:  2rem;

  /* Spacing */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 100px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.3);
  --shadow-md:  0 4px 12px rgba(0,0,0,.4);
  --shadow-lg:  0 8px 30px rgba(0,0,0,.5);
  --shadow-glow: 0 0 20px var(--clr-accent-glow);

  /* Transitions */
  --transition: 180ms ease;
}

/* ---------------------------------------------------------------------------
   Reset & Base
   --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------------------
   Header
   --------------------------------------------------------------------------- */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 20, .85);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--clr-border);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.logo-icon {
  font-size: 1.6rem;
  animation: ring 2.5s ease-in-out infinite;
}

@keyframes ring {
  0%, 100% { transform: rotate(0deg); }
  10%      { transform: rotate(14deg); }
  20%      { transform: rotate(-10deg); }
  30%      { transform: rotate(8deg); }
  40%      { transform: rotate(-6deg); }
  50%      { transform: rotate(0deg); }
}

.logo-group h1 {
  font-size: var(--fs-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-accent), #a29bfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 28px var(--clr-accent-glow);
}

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn-secondary:hover {
  background: var(--clr-surface-3);
  border-color: var(--clr-border-light);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
  border-color: var(--clr-border);
}

.btn-danger {
  background: var(--clr-danger);
  color: #fff;
}
.btn-danger:hover {
  background: #e66767;
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--fs-xs);
}

.btn-icon {
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  color: var(--clr-text);
  background: var(--clr-surface-3);
}

/* ---------------------------------------------------------------------------
   Status Bar
   --------------------------------------------------------------------------- */
.status-bar {
  max-width: 1280px;
  margin: var(--sp-4) auto var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.status-bar::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-connected {
  background: var(--clr-success-bg);
  border: 1px solid rgba(0, 206, 201, .25);
  color: var(--clr-success);
}
.status-connected::before {
  background: var(--clr-success);
  box-shadow: 0 0 8px var(--clr-success);
}

.status-disconnected {
  background: var(--clr-warning-bg);
  border: 1px solid rgba(253, 203, 110, .25);
  color: var(--clr-warning);
}
.status-disconnected::before {
  background: var(--clr-warning);
}

.status-error {
  background: var(--clr-danger-bg);
  border: 1px solid rgba(255, 118, 117, .25);
  color: var(--clr-danger);
}
.status-error::before {
  background: var(--clr-danger);
}

/* ---------------------------------------------------------------------------
   Main
   --------------------------------------------------------------------------- */
#app-main {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--sp-6) var(--sp-8);
}

/* ---------------------------------------------------------------------------
   Toolbar
   --------------------------------------------------------------------------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin: var(--sp-6) 0 var(--sp-4);
}

.toolbar-left h2 {
  font-size: var(--fs-md);
  font-weight: 700;
}

.toolbar-right {
  display: flex;
  gap: var(--sp-3);
}

/* ---------------------------------------------------------------------------
   Table
   --------------------------------------------------------------------------- */
.table-wrapper {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

#reminders-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
}

#reminders-table thead th:nth-child(1) { width: 100px; }  /* Status */
#reminders-table thead th:nth-child(2) { width: 160px; }  /* ID */
#reminders-table thead th:nth-child(3) { width: auto; }   /* Message — fills remaining space */
#reminders-table thead th:nth-child(4) { width: 200px; }  /* Schedule */
#reminders-table thead th:nth-child(5) { width: 160px; }  /* Next Run */
#reminders-table thead th:nth-child(6) { width: 130px; }  /* Channels */
#reminders-table thead th:nth-child(7) { width: 150px; }  /* Actions */

#reminders-table tbody td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#reminders-table tbody td:last-child {
  overflow: visible;
  white-space: normal;
}

#reminders-table thead th {
  padding: var(--sp-4) var(--sp-5);
  text-align: left;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--clr-text-muted);
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
}

#reminders-table tbody td {
  padding: var(--sp-4) var(--sp-5);
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--clr-border);
  vertical-align: middle;
}

#reminders-table tbody tr {
  transition: background var(--transition);
}
#reminders-table tbody tr:hover {
  background: var(--clr-surface-2);
}
#reminders-table tbody tr:last-child td {
  border-bottom: none;
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.status-badge.enabled {
  background: var(--clr-success-bg);
  color: var(--clr-success);
  border: 1px solid rgba(0, 206, 201, .2);
}
.status-badge.enabled:hover {
  border-color: var(--clr-success);
}

.status-badge.disabled {
  background: var(--clr-surface-3);
  color: var(--clr-text-dim);
  border: 1px solid var(--clr-border);
}
.status-badge.disabled:hover {
  border-color: var(--clr-text-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.enabled .status-dot {
  background: var(--clr-success);
  box-shadow: 0 0 6px var(--clr-success);
}
.disabled .status-dot {
  background: var(--clr-text-dim);
}

/* Reminder ID */
.rem-id {
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: var(--fs-xs);
  color: var(--clr-info);
}

/* Message */
.rem-message {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Schedule */
.schedule-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.schedule-cron {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: var(--fs-xs);
  color: var(--clr-text);
  background: var(--clr-surface-3);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
  display: inline-block;
}
.schedule-human {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

/* Next run */
.next-run {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}
.next-run-time {
  display: block;
  font-weight: 600;
  color: var(--clr-accent);
  font-size: var(--fs-sm);
}

/* Channel pills */
.channel-pill {
  display: inline-block;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  margin: 1px;
}
.channel-pill.google_chat {
  background: rgba(52, 168, 83, .15);
  color: #34a853;
  border: 1px solid rgba(52, 168, 83, .25);
}
.channel-pill.email {
  background: var(--clr-info-bg);
  color: var(--clr-info);
  border: 1px solid rgba(116, 185, 255, .25);
}
.channel-pill.webhook {
  background: rgba(253, 203, 110, .12);
  color: var(--clr-warning);
  border: 1px solid rgba(253, 203, 110, .25);
}

/* Actions */
.actions-cell {
  display: flex;
  gap: var(--sp-2);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--sp-8) !important;
}
.empty-state-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}
.empty-icon {
  font-size: 2.5rem;
  opacity: .5;
}
.empty-state p {
  color: var(--clr-text-muted);
  font-weight: 600;
}
.empty-state small {
  color: var(--clr-text-dim);
}

/* ---------------------------------------------------------------------------
   Modals
   --------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, .65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  animation: fadeIn 200ms ease;
}
.modal-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  animation: slideUp 250ms ease;
}
.modal-wide {
  max-width: 640px;
}
.modal-small {
  max-width: 420px;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
}
.modal-header h2 {
  font-size: var(--fs-md);
  font-weight: 700;
}
.modal-close {
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}
.modal-close:hover {
  color: var(--clr-text);
}

.modal-body {
  padding: var(--sp-5) var(--sp-6);
  max-height: 80vh;
  overflow-y: auto;
}

#rem-message {
  resize: vertical;
  font-family: monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--clr-border);
}

/* ---------------------------------------------------------------------------
   Form elements
   --------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--sp-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}
.form-group select option {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}

.form-group small {
  display: block;
  margin-top: var(--sp-1);
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
}
.form-group small a {
  color: var(--clr-accent);
}

.form-row {
  display: flex;
  gap: var(--sp-4);
}
.flex-1 {
  flex: 1;
}

.settings-note {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.6;
}

.optional {
  font-weight: 400;
  color: var(--clr-text-dim);
}

/* Checkboxes */
.channel-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  color: var(--clr-text-muted);
}
.checkbox-label input[type="checkbox"] {
  accent-color: var(--clr-accent);
  width: 16px;
  height: 16px;
}

/* Cron preview */
.cron-preview {
  font-style: italic;
  color: var(--clr-accent) !important;
}

/* Delete modal */
.delete-warning {
  font-size: var(--fs-sm);
  color: var(--clr-danger);
  margin-top: var(--sp-2);
}

/* ---------------------------------------------------------------------------
   Logs Section
   --------------------------------------------------------------------------- */
.logs-section {
  margin-top: var(--sp-8);
}
.logs-section h3 {
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: var(--sp-4);
}

.logs-container {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-5);
  max-height: 300px;
  overflow-y: auto;
}

.logs-empty {
  color: var(--clr-text-dim);
  text-align: center;
  padding: var(--sp-4);
  font-size: var(--fs-sm);
}

.log-entry {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--clr-border);
  font-size: var(--fs-xs);
}
.log-entry:last-child {
  border-bottom: none;
}

.log-icon {
  font-size: var(--fs-base);
}
.log-time {
  color: var(--clr-text-dim);
  font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: nowrap;
}
.log-id {
  font-weight: 600;
  color: var(--clr-info);
}
.log-status {
  font-weight: 600;
}
.log-status.success {
  color: var(--clr-success);
}
.log-status.failure {
  color: var(--clr-danger);
}
.log-message {
  color: var(--clr-text-muted);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   Toast
   --------------------------------------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.toast {
  min-width: 280px;
  max-width: 420px;
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 300ms ease, toastOut 300ms ease 3700ms forwards;
  pointer-events: none;
}

.toast-success {
  background: var(--clr-success-bg);
  border: 1px solid rgba(0, 206, 201, .3);
  color: var(--clr-success);
}
.toast-error {
  background: var(--clr-danger-bg);
  border: 1px solid rgba(255, 118, 117, .3);
  color: var(--clr-danger);
}
.toast-info {
  background: var(--clr-info-bg);
  border: 1px solid rgba(116, 185, 255, .3);
  color: var(--clr-info);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateY(10px); }
}

/* ---------------------------------------------------------------------------
   Spinner
   --------------------------------------------------------------------------- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

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

/* ---------------------------------------------------------------------------
   Responsive
   --------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  #reminders-table thead th,
  #reminders-table tbody td {
    padding: var(--sp-3);
  }
  .rem-message {
    max-width: 160px;
  }
  .header-inner {
    padding: var(--sp-3) var(--sp-4);
  }
  #app-main {
    padding: 0 var(--sp-4) var(--sp-6);
  }
  .modal {
    max-width: 95vw;
  }
}