/* ===============================================================
   Custom styles — Tailwind handles the rest
   =============================================================== */

:root {
  --sidebar-width: 256px;
  --primary: #4f46e5;
  --primary-hover: #4338ca;

  /* ── Light mode tokens (default) ── */
  --bg-base:       #f9fafb;
  --bg-surface:    #ffffff;
  --bg-elevated:   #ffffff;
  --border:        #e5e7eb;
  --border-strong: #d1d5db;
  --text-primary:  #111827;
  --text-secondary:#6b7280;
  --text-muted:    #9ca3af;
  --hover-bg:      #f3f4f6;
  --input-bg:      #ffffff;
  --header-bg:     #ffffff;
  --header-border: #e5e7eb;
  --skeleton-from: #f0f0f0;
  --skeleton-to:   #e0e0e0;
}

/* ── Dark mode tokens — Option A: Navy (blue-slate) ── */
[data-theme="dark"] {
  --bg-base:       #0f172a;
  --bg-surface:    #1e293b;
  --bg-elevated:   #273548;
  --border:        #334155;
  --border-strong: #475569;
  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #64748b;
  --hover-bg:      #273548;
  --input-bg:      #1e293b;
  --header-bg:     #1e293b;
  --header-border: #334155;
  --skeleton-from: #1e293b;
  --skeleton-to:   #273548;
}

/* ── Dark mode tokens — Option B: Zinc (neutral charcoal) ── */
[data-theme="dark-zinc"] {
  --bg-base:       #18181b;
  --bg-surface:    #27272a;
  --bg-elevated:   #3f3f46;
  --border:        #3f3f46;
  --border-strong: #52525b;
  --text-primary:  #fafafa;
  --text-secondary:#a1a1aa;
  --text-muted:    #71717a;
  --hover-bg:      #3f3f46;
  --input-bg:      #27272a;
  --header-bg:     #27272a;
  --header-border: #3f3f46;
  --skeleton-from: #27272a;
  --skeleton-to:   #3f3f46;
}

/* ── Apply tokens to main layout ── */
body { background-color: var(--bg-base); color: var(--text-primary); }

header { background-color: var(--header-bg) !important; border-color: var(--header-border) !important; }
header h1, header #page-title { color: var(--text-primary) !important; }
header #page-subtitle { color: var(--text-secondary) !important; }

#main-content { background-color: var(--bg-base); }

/* Cards / surfaces */
[data-theme="dark"] .bg-white,
[data-theme="dark-zinc"] .bg-white {
  background-color: var(--bg-surface) !important;
}
[data-theme="dark"] .bg-gray-50,
[data-theme="dark-zinc"] .bg-gray-50 {
  background-color: var(--bg-base) !important;
}
[data-theme="dark"] .bg-gray-100,
[data-theme="dark-zinc"] .bg-gray-100 {
  background-color: var(--bg-elevated) !important;
}

/* Borders */
[data-theme="dark"] .border-gray-200,
[data-theme="dark"] .border-gray-100,
[data-theme="dark-zinc"] .border-gray-200,
[data-theme="dark-zinc"] .border-gray-100 {
  border-color: var(--border) !important;
}

/* Text */
[data-theme="dark"] .text-gray-900,
[data-theme="dark-zinc"] .text-gray-900 { color: var(--text-primary) !important; }
[data-theme="dark"] .text-gray-800,
[data-theme="dark-zinc"] .text-gray-800 { color: var(--text-primary) !important; }
[data-theme="dark"] .text-gray-700,
[data-theme="dark-zinc"] .text-gray-700 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-gray-600,
[data-theme="dark-zinc"] .text-gray-600 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-gray-500,
[data-theme="dark-zinc"] .text-gray-500 { color: var(--text-muted) !important; }
[data-theme="dark"] .text-gray-400,
[data-theme="dark-zinc"] .text-gray-400 { color: var(--text-muted) !important; }

/* Inputs / selects */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea,
[data-theme="dark-zinc"] input,
[data-theme="dark-zinc"] select,
[data-theme="dark-zinc"] textarea {
  background-color: var(--input-bg) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder,
[data-theme="dark-zinc"] input::placeholder,
[data-theme="dark-zinc"] textarea::placeholder { color: var(--text-muted) !important; }

/* Table */
[data-theme="dark"] table th,
[data-theme="dark-zinc"] table th { color: var(--text-muted) !important; }
[data-theme="dark"] table td,
[data-theme="dark-zinc"] table td { color: var(--text-secondary) !important; border-color: var(--border) !important; }
[data-theme="dark"] .data-table tbody tr:hover,
[data-theme="dark-zinc"] .data-table tbody tr:hover { background-color: var(--hover-bg) !important; }

/* Modal */
[data-theme="dark"] #app-modal-content,
[data-theme="dark-zinc"] #app-modal-content { background-color: var(--bg-surface) !important; }

/* Period / filter buttons */
[data-theme="dark"] .period-btn,
[data-theme="dark"] .filter-tab,
[data-theme="dark-zinc"] .period-btn,
[data-theme="dark-zinc"] .filter-tab {
  background-color: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-secondary) !important;
}
[data-theme="dark"] .filter-tab.active,
[data-theme="dark"] .analytics-tab.active,
[data-theme="dark-zinc"] .filter-tab.active,
[data-theme="dark-zinc"] .analytics-tab.active {
  background-color: var(--bg-elevated) !important;
}

/* Hover */
[data-theme="dark"] .hover\:bg-gray-50:hover,
[data-theme="dark-zinc"] .hover\:bg-gray-50:hover { background-color: var(--hover-bg) !important; }
[data-theme="dark"] .hover\:bg-gray-100:hover,
[data-theme="dark-zinc"] .hover\:bg-gray-100:hover { background-color: var(--bg-elevated) !important; }

/* Dividers */
[data-theme="dark"] .divide-gray-100 > * + *,
[data-theme="dark-zinc"] .divide-gray-100 > * + * { border-color: var(--border) !important; }

/* Theme toggle transition */
[data-theme] * { transition: background-color 0.2s ease, border-color 0.2s ease, color 0.1s ease; }

/* Sidebar scroll */
#sidebar nav {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #374151 transparent;
}

/* Active nav link */
.nav-link.active {
  background-color: #374151;
  color: #ffffff;
}

.nav-link.active svg {
  color: #818cf8;
}

/* Mobile bottom nav active state — overrides sidebar active */
.mobile-nav-item.active {
  background-color: transparent;
  color: #4f46e5;
}

.mobile-nav-item.active svg {
  color: #4f46e5;
}

/* Stat card hover lift */
.stat-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Table row hover */
.data-table tbody tr {
  transition: background-color 0.1s;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Loading shimmer */
@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--skeleton-from) 25%, var(--skeleton-to) 50%, var(--skeleton-from) 75%);
  background-size: 1000px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
}

/* Scrollbar for main content */
#main-content {
  scrollbar-width: thin;
  scrollbar-color: #e2e8f0 transparent;
}

/* Spinner */
.spinner {
  border: 3px solid #e5e7eb;
  border-top-color: var(--primary);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.7s linear infinite;
}

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

/* Input focus ring */
input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
  border-color: var(--primary) !important;
}

/* Button disabled state */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ── Settings form helpers ── */
.settings-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.375rem;
}

.settings-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  color: #111827;
}

.settings-input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

/* ── Prevent horizontal overflow globally ── */
html { overflow-x: hidden; }
/* All flex/grid children shrink properly */
.flex > *, .grid > * { min-width: 0; }

/* ── Remove iOS blue tap flash ── */
a, button { -webkit-tap-highlight-color: transparent; }

/* ── Prevent iOS Safari auto-zoom on input focus (requires font-size ≥ 16px) ── */
@media (max-width: 767px) {
  input, select, textarea { font-size: 16px !important; }
}

/* ── Remove number input spinners (up/down arrows) ── */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}

/* ── Cross-browser select: remove native OS arrow, add custom chevron ── */
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.6rem center;
  background-repeat: no-repeat;
  background-size: 1.25em 1.25em;
  padding-right: 2.25rem !important;
  cursor: pointer;
}

/* ── Toast slide-up entrance ── */
@keyframes toastSlideUp {
  from { transform: translateY(1.25rem); opacity: 0; }
  to   { transform: translateY(0);       opacity: 1; }
}

/* ── Bottom nav: top indicator bar on active item ── */
#mobile-bottom-nav .mobile-nav-item { position: relative; overflow: visible; }
#mobile-bottom-nav .mobile-nav-item.active::after {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 3px;
  background: var(--primary);
  border-radius: 0 0 4px 4px;
}

/* ── Modal: slide-up bottom sheet on mobile ── */
@media (max-width: 639px) {
  #app-modal { align-items: flex-end !important; padding: 0 !important; }
  #app-modal-content {
    border-radius: 1.25rem 1.25rem 0 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    max-height: 92vh !important;
  }
}

/* ── Prevent iOS scroll-detection from eating button taps inside modal ── */
#app-modal button { touch-action: manipulation; }

/* ── Flatpickr: match app design ── */
.flatpickr-calendar {
  border-radius: 0.75rem;
  border: 1px solid var(--border, #e5e7eb);
  box-shadow: 0 4px 20px -4px rgba(0,0,0,0.12);
  font-family: inherit;
}
.flatpickr-day.selected,
.flatpickr-day.selected:hover {
  background: var(--primary, #4f46e5);
  border-color: var(--primary, #4f46e5);
}
.flatpickr-day:hover {
  background: #ede9fe;
}
/* Hide original input — Flatpickr marks it readonly; alt input takes its place */
/* Exclude .flatpickr-alt-input so range pickers (no altInput) remain visible */
input.flatpickr-input[readonly]:not(.flatpickr-alt-input) { display: none !important; }
/* Remove custom chevron from Flatpickr's internal month/year selects */
.flatpickr-calendar select { background-image: none !important; padding-right: 0.25rem !important; }
/* Dark mode calendar */
[data-theme="dark"] .flatpickr-calendar,
[data-theme="dark-zinc"] .flatpickr-calendar {
  background: var(--bg-surface);
  border-color: var(--border);
  color: var(--text-primary);
}
[data-theme="dark"] .flatpickr-months .flatpickr-month,
[data-theme="dark-zinc"] .flatpickr-months .flatpickr-month,
[data-theme="dark"] .flatpickr-weekday,
[data-theme="dark-zinc"] .flatpickr-weekday,
[data-theme="dark"] .flatpickr-months .flatpickr-prev-month,
[data-theme="dark"] .flatpickr-months .flatpickr-next-month,
[data-theme="dark-zinc"] .flatpickr-months .flatpickr-prev-month,
[data-theme="dark-zinc"] .flatpickr-months .flatpickr-next-month {
  background: var(--bg-surface);
  color: var(--text-primary);
  fill: var(--text-primary);
}
[data-theme="dark"] .flatpickr-day,
[data-theme="dark-zinc"] .flatpickr-day {
  color: var(--text-primary);
}
[data-theme="dark"] .flatpickr-day:hover,
[data-theme="dark-zinc"] .flatpickr-day:hover {
  background: var(--hover-bg);
}
[data-theme="dark"] .flatpickr-day.flatpickr-disabled,
[data-theme="dark-zinc"] .flatpickr-day.flatpickr-disabled {
  color: var(--text-muted);
}