/* ===== CSS VARIABLES ===== */
:root {
  /* Color Palette */
  --neutral-white: #FFFFFF;
  --neutral-gray: #2C3E50;
  --light-gray: #F8F9FA;
  --border-gray: #999;
  --theme-bg-fallback: #F3EEE2;
  --color-text: #2C3E50;
  --color-heading: #2C3E50;
  --color-muted: #666666;
  --color-smallish: #333333;
  --color-link: #000000;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F8F9FA;
  --color-surface-alt-2: #F5F5F5;
  --color-surface-hover: #F1F1F1;
  --color-border: #999999;
  --color-input-bg: #FFFFFF;
  --color-input-border: #CCCCCC;
  --color-input-text: #1F1F1F;
  --color-button-border: #4A4A4A;
  --color-button-text: #4A4A4A;
  --color-button-bg: #FFFFFF;
  --color-button-hover-bg: #4A4A4A;
  --color-button-hover-text: #FFFFFF;
  --color-code-bg: #F5F5F5;
  --color-invite-text: #000000;
  --color-invite-bg: #FFFF00;
  --color-table-header-border: #999999;
  --color-nav-border: #999999;
  --color-suggestion-bg: #FFFFFF;
  --color-suggestion-text: #2C3E50;
  --color-suggestion-hover-bg: #EEF3FF;
  --color-suggestion-hover-border: #B5C7FF;
  
  /* Typography */
  --font-body: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  
  /* Layout */
  --container-max-width: 960px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

body.dark-mode {
  --color-text: #E0E0E0;
  --color-heading: #F0F0F0;
  --color-muted: #AAAAAA;
  --color-smallish: #CCCCCC;
  --color-link: #FFFFFF;
  --color-surface: #1E1E1E;
  --color-surface-alt: #2A2A2A;
  --color-surface-alt-2: #333333;
  --color-surface-hover: #3A3A3A;
  --color-border: #555555;
  --color-input-bg: #2A2A2A;
  --color-input-border: #555555;
  --color-input-text: #E0E0E0;
  --color-button-border: #CCCCCC;
  --color-button-text: #CCCCCC;
  --color-button-bg: #1E1E1E;
  --color-button-hover-bg: #CCCCCC;
  --color-button-hover-text: #1A1A1A;
  --color-code-bg: #333333;
  --color-table-header-border: #666666;
  --color-nav-border: #555555;
  --color-suggestion-bg: #2A2A2A;
  --color-suggestion-text: #E0E0E0;
  --color-suggestion-hover-bg: #3A3A3A;
  --color-suggestion-hover-border: #777777;
}

body {
  background-color: var(--theme-bg-fallback);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  font-style: normal;
  font-size: 1.2rem;
  margin: 0;
  padding: 0;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-md) 0;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem;}
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin: 0 0 var(--space-md) 0;
}

p.small {
  font-size: 0.8rem;
  color: var(--color-muted);
}

p.smallish {
  font-size: 0.9rem;
  color: var(--color-smallish);
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.preformatted {
  font-family: monospace;
  font-size: 1rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  word-break: break-all;
  word-break: break-word;
  padding: 10px;
  color: var(--color-text);
  background-color: var(--color-code-bg);
  border-radius: 5px;
}

.small-date {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.invite-code {
  font-family: monospace;
  font-size: 1rem;
  color: var(--color-invite-text);
  padding: 2px 10px;
  background-color: var(--color-invite-bg);
}

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  align-items: center;
  justify-content: center;
}

.action-col {
  display: flex;
  justify-content: center;
}
/* ===== LAYOUT ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.center {
  text-align: center;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
}

.mt-xs {
  margin-top: var(--space-xs);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mb-xs {
  margin-bottom: var(--space-xs);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

/* ===== FORMS ===== */
.button {
  display: inline-block;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--color-button-border);
  border-radius: 5px;
  color: var(--color-button-text);
  background-color: var(--color-button-bg);
  transition: all 0.3s ease;
}

.button:hover {
  background-color: var(--color-button-hover-bg);
  color: var(--color-button-hover-text);
  text-decoration: none;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--color-input-text);
  background-color: var(--color-input-bg);
  border: 1.5px solid var(--color-input-border);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  box-shadow: none;
  margin: var(--space-xs) 0;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-button-border);
  background-color: var(--color-input-bg);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

button,
.button {
  margin: var(--space-xs) 0;
}

.big-button {
  font-size: 1.2rem;
  padding: 12px 24px;
}

img {
  max-width: 100%;
}

.input-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin: 1rem 0;
}

.input-group-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-group label {
  font-weight: 600;
}

.input-group select {
  font: inherit;
  padding: 6px 10px;
  border: 2px solid var(--color-button-border);
  border-radius: 5px;
  background-color: var(--color-input-bg);
  color: var(--color-input-text);
}

/* ===== TOASTS ===== */
.toast-container {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 260px;
  max-width: 420px;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.35;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  animation: toast-in 0.28s ease forwards;
}

.toast-success {
  background-color: #d4edda;
  color: #155724;
  border-color: #c3e6cb;
}

.toast-error {
  background-color: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

body.dark-mode .toast-success {
  background-color: #1f3a2a;
  color: #b7f2c9;
  border-color: #2c5a3d;
}

body.dark-mode .toast-error {
  background-color: #4a2127;
  color: #ffd3d8;
  border-color: #7f3b46;
}

.toast-exit {
  animation: toast-out 0.36s ease forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-24px);
  }
}

.welcome-form form {
width: 60%;
margin: 0 auto;
min-width: 300px;
}
#canvas-holder {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  width: 100%;
  height: 100%;
}

/* ===== TABLES ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-sm);
}

th, td {
  padding: 10px 12px;
  text-align: left;
}

th {
  font-weight: 700;
  border-bottom: 2px solid var(--color-table-header-border);
}

tbody tr:nth-child(odd) {
  background-color: var(--color-surface-alt);
}

tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

tbody tr:hover {
  background-color: var(--color-surface-hover);
}

/* Inline password reset form (e.g. manage-users table) */
.reset-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reset-form input[type="password"] {
  width: auto;
  flex: 1;
  margin: 0;
  padding: 6px 10px;
  font-size: 0.9rem;
}

.reset-form .button {
  margin: 0;
  padding: 6px 14px;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ===== NAV ===== */
.top-nav {
  border-bottom: 1px solid var(--color-nav-border);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-sm);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.8rem;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-link);
}

.nav-right form {
  margin: 0;
}

div#ask-ai-answer {
  color: var(--color-text);
  background-color: var(--color-code-bg);
  padding: 10px;
  border-radius: 5px;
  margin-top: 10px;
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  word-break: break-all;
  word-break: break-word;
  padding: 10px;
  background-color: var(--color-code-bg);
  border-radius: 5px;
}

/* ===== THEME SETTINGS FORM ===== */
.theme-form .theme-field {
  margin-bottom: var(--space-md);
}

.theme-form .theme-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.theme-form .theme-field p.small {
  margin-top: 4px;
  margin-bottom: 0;
}

.color-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.color-swatch {
  width: 48px;
  height: 48px;
  padding: 2px;
  border: 1.5px solid var(--color-input-border);
  border-radius: 6px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

.color-hex-input {
  width: 100%;
  flex: 1;
}

.theme-short-fields {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.theme-short-fields .theme-field {
  flex: 1;
  min-width: 0;
}

.emoji-input {
  width: 100%;
}

/* ===== ASK AI ===== */
.ai-suggestions {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.ai-suggestions code {
  display: block;
  margin: 6px 0;
  padding: 6px 8px;
  background-color: var(--color-suggestion-bg);
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--color-suggestion-text);
  transition: background-color 0.15s ease, border-color 0.15s ease;
  font-size: 0.8rem;
}

.ai-suggestions code:hover {
  background-color: var(--color-suggestion-hover-bg);
  border-color: var(--color-suggestion-hover-border);
}

/* ===== HISTORY / CALENDAR ===== */
.breadcrumbs ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.breadcrumbs li + li::before {
  content: "›";
  margin-right: 6px;
}

.calendar-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.calendar-nav a {
  font-size: 0.9rem;
}

.calendar-nav--muted {
  font-size: 0.9rem;
  color: var(--color-muted);
  opacity: 0.4;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
}

.calendar-header {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xs);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-surface-alt);
}

.calendar-cell {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xs);
  min-height: 64px;
  background: var(--color-surface);
}

.calendar-cell a {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.calendar-cell a:hover {
  text-decoration: none;
}

.calendar-cell--has-data:hover {
  background: var(--color-surface-hover);
}

.calendar-cell--outside {
  background: var(--color-surface-alt);
  opacity: 0.2;
}

.calendar-cell--today {
  border-bottom: 3px solid var(--color-text);
}

.calendar-day-num {
  font-size: 0.85rem;
  line-height: 1;
}

.calendar-indicators {
  margin-top: 6px;
  flex: 1;
  min-height: 0;
  width: 100%;
}

/* 10 rows max: 4px squares + 2px gap; morning + evening pixels share one wrapping grid */
.calendar-pixel-grid {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  min-height: 0;
  max-height: calc(10 * 4px + 9 * 2px);
  overflow: hidden;
}

.calendar-pixel {
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  background: var(--color-text);
}

.calendar-pixel--overflow {
  background: #c0392b;
}

.dark-mode .calendar-pixel--overflow {
  background: #e57373;
}

.day-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.history-qa {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.history-qa:last-child {
  border-bottom: none;
}

.history-question {
  margin-bottom: var(--space-xs);
}

.history-answer {
  margin-bottom: 0;
  white-space: pre-wrap;
}

.history-answer--empty {
  color: var(--color-muted);
  font-style: italic;
}

@media (max-width: 480px) {
  .calendar-cell {
    min-height: 48px;
    padding: 4px;
  }

  .calendar-day-num {
    font-size: 0.75rem;
  }

  .calendar-header {
    font-size: 0.7rem;
    padding: 4px;
  }
}