/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #222636;
  --bg-input: #2a2e3d;
  --bg-hover: #2e3347;
  --text-primary: #e8e9ed;
  --text-secondary: #9ca0b0;
  --text-muted: #6b7084;
  --accent-warm: #f59e42;
  --accent-orange: #e87a2e;
  --accent-green: #4ecb71;
  --accent-red: #ef5350;
  --accent-blue: #5b8def;
  --accent-purple: #a97cf8;
  --border: #2e3347;
  --border-focus: #f59e42;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --font-body: 'DM Sans', sans-serif;
  --font-heading: 'Syne', sans-serif;
  --traveler-1: #f59e42;
  --traveler-2: #5b8def;
  --traveler-3: #4ecb71;
  --traveler-4: #a97cf8;
  --traveler-5: #ef5350;
  --traveler-6: #e87a2e;
  --traveler-7: #42d4f5;
  --traveler-8: #f5429b;
}

html { font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; }

a { color: var(--accent-warm); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== SCREENS ===== */
.screen { display: none; }
.screen.active { display: block; }
.view { display: none; }
.view.active { display: block; }

/* ===== AUTH ===== */
.auth-container {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 100vh; padding: 2rem; text-align: center;
}
.logo { font-size: 2.5rem; color: var(--accent-warm); margin-bottom: 0.5rem; }
.auth-subtitle { color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.1rem; }
.auth-form { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 0.75rem; }
.auth-form .input {
  width: 100%; padding: 0.75rem 1rem; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem;
}
.auth-form .input:focus { outline: none; border-color: var(--border-focus); }
.auth-form .input::placeholder { color: var(--text-muted); }
.btn-full { width: 100%; justify-content: center; }
.auth-toggle { color: var(--text-secondary); font-size: 0.9rem; margin-top: 1rem; }
.auth-error { color: var(--accent-red); font-size: 0.9rem; margin-top: 0.75rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.25rem; border: none; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent-warm); color: #000; }
.btn-primary:hover { background: var(--accent-orange); }
.btn-secondary { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-hover); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1.05rem; }
.btn-icon { padding: 0.5rem; border-radius: var(--radius-sm); }
.btn-block { width: 100%; justify-content: center; }

/* ===== NAVBAR ===== */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.25rem; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.nav-logo { font-size: 1.25rem; color: var(--accent-warm); }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.nav-back {
  background: none; border: none; color: var(--text-secondary); cursor: pointer;
  font-size: 1.1rem; padding: 0.25rem;
}
.nav-back:hover { color: var(--text-primary); }

/* ===== AVATAR ===== */
.avatar-dropdown { position: relative; }
.avatar-btn {
  width: 36px; height: 36px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--accent-warm); cursor: pointer; background: var(--bg-input); padding: 0;
}
.avatar-btn img { width: 100%; height: 100%; object-fit: cover; }
.avatar-menu {
  position: absolute; right: 0; top: calc(100% + 8px); background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius); min-width: 200px;
  box-shadow: var(--shadow-lg); z-index: 200; overflow: hidden;
}
.menu-user { padding: 0.75rem 1rem; font-weight: 600; border-bottom: 1px solid var(--border); }
.menu-item {
  display: block; width: 100%; text-align: left; padding: 0.65rem 1rem;
  background: none; border: none; color: var(--text-primary); font-size: 0.9rem;
  cursor: pointer; font-family: var(--font-body);
}
.menu-item:hover { background: var(--bg-hover); }
.menu-item-danger { color: var(--accent-red); }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 1.25rem;
  border: 1px solid var(--border); transition: border-color 0.15s;
}
.card:hover { border-color: var(--accent-warm); }
.card-flat { border: none; }
.card-flat:hover { border-color: transparent; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 0.35rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.65rem 0.85rem; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--border-focus);
}
.form-select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%239ca0b0' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.75rem center;
  padding-right: 2rem;
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 0.75rem; }
.form-row > * { flex: 1; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }
.form-error { color: var(--accent-red); font-size: 0.8rem; margin-top: 0.2rem; }
.form-checkbox {
  display: flex; align-items: center; gap: 0.5rem; cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--accent-warm); cursor: pointer;
}

/* ===== PAGE LAYOUT ===== */
.page-container { max-width: 900px; margin: 0 auto; padding: 1.25rem; }
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: 0.75rem;
}
.page-title { font-size: 1.5rem; }
.page-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.15rem; }

/* ===== TRIP LIST ===== */
.trip-list { display: flex; flex-direction: column; gap: 0.75rem; }
.trip-card {
  display: flex; align-items: center; gap: 1rem; cursor: pointer;
}
.trip-card-left { flex: 1; min-width: 0; }
.trip-card-dest { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; }
.trip-card-dates { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.15rem; }
.trip-card-right { text-align: right; flex-shrink: 0; }
.trip-card-amount { font-size: 1.1rem; font-weight: 700; color: var(--accent-warm); }
.trip-card-meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.15rem; }

.status-badge {
  display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}
.status-planlagt { background: rgba(91,141,239,0.15); color: var(--accent-blue); }
.status-pågående { background: rgba(245,158,66,0.15); color: var(--accent-warm); }
.status-avsluttet { background: rgba(78,203,113,0.15); color: var(--accent-green); }

/* ===== FILTERS/SORT ===== */
.filter-bar {
  display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.filter-chip {
  padding: 0.35rem 0.85rem; border-radius: 999px; font-size: 0.85rem;
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer; font-family: var(--font-body);
  transition: all 0.15s;
}
.filter-chip:hover { border-color: var(--accent-warm); color: var(--text-primary); }
.filter-chip.active { background: var(--accent-warm); color: #000; border-color: var(--accent-warm); }

/* ===== TABS ===== */
.tabs {
  display: flex; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem;
  overflow-x: auto;
}
.tab {
  padding: 0.75rem 1.25rem; font-size: 0.9rem; font-weight: 600;
  color: var(--text-secondary); background: none; border: none;
  border-bottom: 2px solid transparent; cursor: pointer;
  white-space: nowrap; font-family: var(--font-body); transition: all 0.15s;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent-warm); border-bottom-color: var(--accent-warm); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
}
th {
  text-align: left; padding: 0.6rem 0.75rem; font-size: 0.8rem;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
td {
  padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
.td-amount { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.td-total { font-weight: 700; color: var(--accent-warm); }

/* Color coding for amounts */
.amount-low { color: var(--accent-green); }
.amount-med { color: var(--accent-warm); }
.amount-high { color: var(--accent-red); }

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem; margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 1rem;
  border: 1px solid var(--border); text-align: center;
}
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--accent-warm); }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 0.15rem; }

/* ===== SETTLEMENT ===== */
.settlement-list { display: flex; flex-direction: column; gap: 0.5rem; }
.settlement-item {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem;
  background: var(--bg-input); border-radius: var(--radius);
}
.settlement-arrow { color: var(--text-muted); font-size: 1.2rem; }
.settlement-amount { margin-left: auto; font-weight: 700; color: var(--accent-warm); }

/* ===== TRAVELER BADGES ===== */
.traveler-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
}
.traveler-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

/* ===== STEPPER ===== */
.stepper {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; margin-bottom: 1.5rem;
}
.stepper-step {
  width: 32px; height: 32px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 0.85rem;
  font-weight: 700; background: var(--bg-input); color: var(--text-muted);
  border: 2px solid var(--border);
}
.stepper-step.active { background: var(--accent-warm); color: #000; border-color: var(--accent-warm); }
.stepper-step.done { background: var(--accent-green); color: #000; border-color: var(--accent-green); }
.stepper-line { width: 40px; height: 2px; background: var(--border); }
.stepper-line.done { background: var(--accent-green); }

/* ===== EXPENSE LINES ===== */
.expense-lines { display: flex; flex-direction: column; gap: 0.5rem; }
.expense-line-row {
  display: flex; gap: 0.5rem; align-items: center;
  background: var(--bg-input); padding: 0.5rem 0.75rem; border-radius: var(--radius-sm);
}
.expense-line-row .form-select, .expense-line-row .form-input {
  background: var(--bg-secondary);
}
.expense-line-remove {
  background: none; border: none; color: var(--accent-red);
  cursor: pointer; font-size: 1.1rem; padding: 0.25rem;
}

/* ===== CASH WALLET ===== */
.wallet-card {
  background: var(--bg-input); border-radius: var(--radius); padding: 1rem;
  border-left: 3px solid var(--accent-warm);
}
.wallet-remaining { font-size: 0.85rem; color: var(--text-secondary); }
.wallet-warning { color: var(--accent-red); font-weight: 600; }

/* ===== COMPARE VIEW ===== */
.compare-grid {
  display: grid; gap: 1rem;
}
.compare-header {
  font-family: var(--font-heading); font-weight: 700;
  text-align: center; padding: 0.75rem;
}
.compare-best { background: rgba(78,203,113,0.1); border-radius: var(--radius); }
.compare-worst { background: rgba(239,83,80,0.1); border-radius: var(--radius); }

/* ===== RATING STARS ===== */
.stars { display: flex; gap: 0.25rem; }
.star {
  font-size: 1.5rem; cursor: pointer; color: var(--bg-hover);
  transition: color 0.1s; background: none; border: none;
}
.star.filled { color: var(--accent-warm); }
.star:hover { color: var(--accent-orange); }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  height: 8px; background: var(--bg-input); border-radius: 999px; overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 999px; transition: width 0.3s ease;
}

/* ===== BUDGET ===== */
.budget-row {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem;
}
.budget-label { font-size: 0.85rem; width: 100px; flex-shrink: 0; }
.budget-bar { flex: 1; }
.budget-values { font-size: 0.85rem; color: var(--text-secondary); white-space: nowrap; }
.budget-over { color: var(--accent-red); }
.budget-under { color: var(--accent-green); }

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 500; backdrop-filter: blur(4px);
}
.modal-container {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  z-index: 501; padding: 1rem;
}
.modal {
  background: var(--bg-card); border-radius: var(--radius-xl); padding: 1.5rem;
  max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-title { font-size: 1.25rem; margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1.25rem; }

.hidden { display: none !important; }

/* ===== TOAST ===== */
.toast-container {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  z-index: 600; display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
  padding: 0.75rem 1.25rem; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 500; box-shadow: var(--shadow);
  animation: toastIn 0.25s ease;
}
.toast-success { background: var(--accent-green); color: #000; }
.toast-error { background: var(--accent-red); color: #fff; }
.toast-info { background: var(--accent-blue); color: #fff; }

@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.empty-state-text { font-size: 1rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .page-container { padding: 1rem; }
  .page-title { font-size: 1.25rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; gap: 0.75rem; }
  .modal { border-radius: var(--radius-lg); padding: 1.25rem; }
  .expense-line-row { flex-wrap: wrap; }
}

/* ===== DISTRIBUTION INPUTS ===== */
.distribution-row {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem;
}
.distribution-row .traveler-badge { min-width: 80px; }
.distribution-row .form-input { max-width: 80px; text-align: right; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== CATEGORY BAR CHART ===== */
.category-bar {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem;
}
.category-bar-label { width: 100px; font-size: 0.85rem; flex-shrink: 0; }
.category-bar-track { flex: 1; height: 24px; background: var(--bg-input); border-radius: var(--radius-sm); overflow: hidden; }
.category-bar-fill { height: 100%; border-radius: var(--radius-sm); transition: width 0.3s; }
.category-bar-value { width: 80px; text-align: right; font-size: 0.85rem; font-weight: 600; flex-shrink: 0; }
.category-bar-pct { width: 45px; text-align: right; font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; }