/* ================================================
   Quando Ein? — Tropical Modernism Design System
   ================================================ */

:root {
  --color-primary: #1a6b5a;
  --color-primary-dark: #124a3e;
  --color-primary-light: #22917b;
  --color-primary-glow: rgba(34, 145, 123, 0.15);
  --color-accent: #e09422;
  --color-accent-light: #f5c563;
  --color-bg: #f8f5f0;
  --color-surface: #ffffff;
  --color-surface-hover: #faf9f7;
  --color-text: #2c2c34;
  --color-text-secondary: #6b6b7b;
  --color-text-muted: #9a9aaa;
  --color-border: #e5e0d8;
  --color-border-light: #ede9e3;
  --color-available: #22917b;
  --color-unavailable: #f0ebe4;
  --color-unavailable-hover: #e8e2d9;
  --color-error: #c44040;
  --color-success-bg: #e8f4f0;
  --color-success-border: #a8d5c8;
  --color-success-text: #1a6b5a;
  --shadow-sm: 0 1px 3px rgba(44, 44, 52, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 44, 52, 0.08);
  --shadow-lg: 0 8px 24px rgba(44, 44, 52, 0.10);
  --shadow-glow: 0 0 0 3px var(--color-primary-glow);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --transition-fast: 0.15s ease;
  --transition-med: 0.25s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Warm noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

/* ========== Header ========== */
.header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: white;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 16px rgba(18, 74, 62, 0.25);
  position: relative;
  z-index: 10;
}
.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
}
.header h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}
.header-logo {
  display: block;
  background: white;
  border-radius: 50%;
  padding: 2px;
  transition: transform var(--transition-med);
}
.header h1:hover .header-logo {
  transform: rotate(15deg);
}
.header nav a {
  color: rgba(255, 255, 255, 0.88);
  margin-left: 20px;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.header nav a:hover {
  color: white;
  text-decoration: none;
}

/* ========== Main content ========== */
.container {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 24px;
}
.container.wide {
  max-width: 1400px;
}

/* ========== Create event page ========== */
.create-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
}
.create-section h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--color-text);
}
.form-group input[type="text"],
.form-group select {
  padding: 9px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  width: 320px;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}
.form-group input[type="text"]::placeholder {
  color: var(--color-text-muted);
}

.radio-group {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.radio-group label {
  font-weight: 500;
  cursor: pointer;
  font-size: 14px;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  transition: all var(--transition-fast);
  user-select: none;
}
.radio-group label:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-glow);
}
.radio-group label:has(input:checked) {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.radio-group input[type="radio"] {
  display: none;
}

/* ========== Calendar ========== */
.calendar-container {
  margin-bottom: 18px;
}
.calendar-hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  font-style: italic;
}
.calendar-table {
  border-collapse: separate;
  border-spacing: 3px;
  user-select: none;
  -webkit-user-select: none;
}
.calendar-table th {
  padding: 4px 6px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-display);
}
.calendar-table td {
  width: 38px;
  height: 34px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.calendar-table td.date-cell {
  background: var(--color-unavailable);
  color: var(--color-text);
}
.calendar-table td.date-cell:hover {
  background: var(--color-unavailable-hover);
  transform: scale(1.05);
}
.calendar-table td.date-cell.selected {
  background: var(--color-available);
  color: white;
  box-shadow: 0 2px 6px rgba(34, 145, 123, 0.3);
}
.calendar-table td.date-cell.selected:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}
.calendar-table td.date-cell.other-month {
  color: var(--color-text-muted);
  opacity: 0.6;
}
.calendar-table td.date-cell.other-month.selected {
  background: var(--color-available);
  color: white;
  opacity: 1;
}
.calendar-table td.row-label {
  border: none;
  font-size: 12px;
  color: var(--color-text-secondary);
  text-align: right;
  padding-right: 8px;
  cursor: grab;
  white-space: nowrap;
  width: auto;
  font-weight: 600;
}
.calendar-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.calendar-nav button {
  padding: 6px 16px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 100px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.calendar-nav button:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

/* ========== Time selectors ========== */
.time-row {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.time-row label {
  font-size: 14px;
  font-weight: 600;
}
.time-row select {
  padding: 7px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.time-row select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}

/* ========== Submit button ========== */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border: none;
  padding: 12px 36px;
  border-radius: 100px;
  font-size: 15px;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: all var(--transition-med);
  box-shadow: 0 4px 14px rgba(26, 107, 90, 0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26, 107, 90, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(26, 107, 90, 0.3);
}
.btn-primary:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* ========== Event page ========== */
.event-header {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}
.event-header h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
}
.event-header .share-link {
  font-size: 13px;
  color: var(--color-text-secondary);
}
.event-header .share-link input {
  padding: 7px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-body);
  width: 300px;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.event-header .share-link input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}

/* ========== Sign in box ========== */
.signin-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  max-width: 360px;
  box-shadow: var(--shadow-md);
}
.signin-box h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}
.signin-box .form-group {
  margin-bottom: 12px;
}
.signin-box .form-group label {
  font-size: 13px;
  font-weight: 600;
}
.signin-box .form-group input {
  width: 100%;
  padding: 9px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.signin-box .form-group input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}
.signin-box .form-group input::placeholder {
  color: var(--color-text-muted);
}
.signin-box .btn-signin {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-med);
  box-shadow: 0 3px 10px rgba(26, 107, 90, 0.25);
}
.signin-box .btn-signin:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(26, 107, 90, 0.35);
}

/* ========== Availability grid ========== */
.event-content {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.avail-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  flex: 1;
  min-width: 300px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.avail-panel h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}
.avail-panel .panel-hint {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  font-style: italic;
}

/* Availability grid table */
.avail-grid {
  border-collapse: separate;
  border-spacing: 1px;
  user-select: none;
  -webkit-user-select: none;
}
.avail-grid th {
  padding: 3px 4px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  color: var(--color-text-secondary);
  min-width: 60px;
  font-family: var(--font-display);
}
.avail-grid th .date-header-day {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.avail-grid th .date-header-date {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-muted);
}
.avail-grid td.time-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  text-align: right;
  padding-right: 6px;
  white-space: nowrap;
  border: none;
  vertical-align: top;
  line-height: 1;
  font-weight: 500;
  font-family: var(--font-display);
}
.avail-grid td.time-label.half-hour {
  vertical-align: top;
  visibility: hidden;
}
.avail-grid td.slot {
  width: 60px;
  height: 16px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  padding: 0;
  border-radius: 2px;
}
.avail-grid td.slot.hour-top {
  border-top: 1.5px solid var(--color-border);
}

/* My availability colors */
.avail-grid td.slot.available {
  background: var(--color-available);
}
.avail-grid td.slot.unavailable {
  background: var(--color-unavailable);
}
.avail-grid td.slot:hover {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: -1px;
  z-index: 1;
  position: relative;
}

/* Group availability colors — intensity based on count */
.avail-grid td.slot.group-0 {
  background: var(--color-unavailable);
}

/* ========== Participants sidebar ========== */
.participants-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 180px;
  max-width: 220px;
  box-shadow: var(--shadow-sm);
}
.participants-panel h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}
.participants-panel ul {
  list-style: none;
  padding: 0;
}
.participants-panel li {
  padding: 6px 10px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  margin-bottom: 3px;
  transition: background var(--transition-fast);
}
.participants-panel li:hover {
  background: var(--color-bg);
}
.participants-panel li.signed-in {
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

/* ========== Hover tooltip ========== */
.hover-info {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 16px;
  height: 80px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.hover-info .hover-time {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
  color: var(--color-text);
}
.hover-info .hover-count {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}
.hover-info .hover-names {
  font-size: 12px;
  color: var(--color-text);
}
.hover-info .hover-names span {
  display: inline-block;
  background: var(--color-success-bg);
  color: var(--color-success-text);
  padding: 2px 8px;
  border-radius: 100px;
  margin: 2px 3px;
  font-size: 12px;
  font-weight: 500;
}
.hover-info .hover-placeholder {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========== Signed-in user info ========== */
.signed-in-info {
  background: var(--color-success-bg);
  border: 1.5px solid var(--color-success-border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.signed-in-info span {
  font-size: 14px;
}
.signed-in-info strong {
  color: var(--color-primary);
  font-weight: 700;
}
.btn-signout {
  background: none;
  border: 1.5px solid var(--color-border);
  padding: 5px 14px;
  border-radius: 100px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.btn-signout:hover {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(196, 64, 64, 0.05);
}

/* ========== Tab switcher ========== */
.tab-switcher {
  display: flex;
  gap: 0;
  margin-bottom: 0;
}
.tab-switcher button {
  padding: 9px 18px;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.tab-switcher button:first-child {
  border-radius: var(--radius-md) 0 0 0;
}
.tab-switcher button:last-child {
  border-radius: 0 var(--radius-md) 0 0;
  border-left: none;
}
.tab-switcher button.active {
  background: var(--color-surface);
  color: var(--color-primary);
  border-bottom-color: var(--color-surface);
}
.tab-switcher button:not(.active):hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

/* ========== Error messages ========== */
.error-msg {
  color: var(--color-error);
  font-size: 13px;
  font-weight: 500;
  margin-top: 5px;
}

/* ========== Days of week selector ========== */
.dow-selector {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
}
.dow-selector .dow-btn {
  width: 44px;
  height: 38px;
  border: 1.5px solid var(--color-border);
  background: var(--color-unavailable);
  color: var(--color-text);
  font-size: 13px;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.dow-selector .dow-btn:hover {
  border-color: var(--color-primary-light);
  transform: scale(1.05);
}
.dow-selector .dow-btn.selected {
  background: var(--color-available);
  color: white;
  border-color: var(--color-available);
  box-shadow: 0 2px 6px rgba(34, 145, 123, 0.3);
}

/* ========== Loading ========== */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--color-text-muted);
  font-size: 16px;
  font-family: var(--font-display);
  font-weight: 500;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }
  .container {
    padding: 0 16px;
    margin: 20px auto;
  }
  .create-section {
    padding: 20px;
  }
  .event-content {
    flex-direction: column;
  }
  .participants-panel {
    max-width: 100%;
  }
  .form-group input[type="text"],
  .event-header .share-link input {
    width: 100%;
  }
}