/* Mobile design system (native-first)
   - Keep Bootstrap loaded, but prefer these components on mobile
   - iOS-neutral surfaces + one accent
*/

:root {
  /* Native-ish spacing & radii */
  --m-radius-sm: 10px;
  --m-radius: 14px;
  --m-radius-lg: 18px;
  --m-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);

  /* Touch targets */
  --m-tap: 44px;

  /* Layout */
  --m-gutter: 14px;
  --m-max: 540px;

  /* Safe areas */
  --m-safe-top: env(safe-area-inset-top, 0px);
  --m-safe-bottom: env(safe-area-inset-bottom, 0px);

  /* iOS-like system colors (mapped for dark/light) */
  --m-bg: #0b0f17;
  --m-surface: rgba(17, 24, 39, 0.86);
  --m-surface-solid: #111827;
  --m-surface-2: rgba(26, 35, 50, 0.72);
  --m-divider: rgba(255, 255, 255, 0.10);
  --m-text: rgba(255, 255, 255, 0.96);
  --m-text-2: rgba(255, 255, 255, 0.72);
  --m-text-3: rgba(255, 255, 255, 0.56);

  /* Accent (use existing brand but calmer usage) */
  --m-accent: var(--primary, #00d9ff);
  --m-accent-2: var(--primary-dark, #00a8cc);

  /* Semantic */
  --m-success: #34d399;
  --m-warning: #fbbf24;
  --m-danger: #fb7185;
}

[data-theme="light"] {
  --m-bg: #f5f7fb;
  --m-surface: rgba(255, 255, 255, 0.86);
  --m-surface-solid: #ffffff;
  --m-surface-2: rgba(232, 238, 245, 0.78);
  --m-divider: rgba(15, 23, 42, 0.10);
  --m-text: rgba(15, 23, 42, 0.96);
  --m-text-2: rgba(15, 23, 42, 0.72);
  --m-text-3: rgba(15, 23, 42, 0.52);

  --m-success: #059669;
  --m-warning: #d97706;
  --m-danger: #e11d48;
}

/* Base helpers */
.m-only {
  display: none !important;
}
@media (max-width: 991.98px) {
  .m-only { display: block !important; }
}

.m-app {
  background: var(--m-bg);
  color: var(--m-text);
}

.m-container {
  max-width: var(--m-max);
  margin: 0 auto;
  padding: 12px var(--m-gutter) calc(18px + var(--m-safe-bottom));
}

.m-card {
  background: var(--m-surface);
  border: 1px solid var(--m-divider);
  border-radius: var(--m-radius-lg);
  box-shadow: none;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.m-section {
  margin-top: 12px;
}

.m-section-title {
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-weight: 750;
  color: var(--m-text-2);
  margin: 0 0 8px;
}

.m-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.m-divider {
  height: 1px;
  background: var(--m-divider);
}

.m-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--m-divider);
  background: color-mix(in srgb, var(--m-surface-solid) 70%, transparent);
  color: var(--m-text-2);
  font-size: 0.78rem;
  font-weight: 650;
}
.m-chip[data-tone="accent"] {
  border-color: color-mix(in srgb, var(--m-accent) 35%, var(--m-divider));
  color: var(--m-accent);
  background: color-mix(in srgb, var(--m-accent) 10%, transparent);
}
.m-chip[data-tone="success"] {
  border-color: color-mix(in srgb, var(--m-success) 35%, var(--m-divider));
  color: var(--m-success);
  background: color-mix(in srgb, var(--m-success) 10%, transparent);
}
.m-chip[data-tone="warning"] {
  border-color: color-mix(in srgb, var(--m-warning) 40%, var(--m-divider));
  color: var(--m-warning);
  background: color-mix(in srgb, var(--m-warning) 11%, transparent);
}
.m-chip[data-tone="danger"] {
  border-color: color-mix(in srgb, var(--m-danger) 40%, var(--m-divider));
  color: var(--m-danger);
  background: color-mix(in srgb, var(--m-danger) 10%, transparent);
}

/* Topbar */
.m-topbar {
  position: sticky;
  top: 0;
  z-index: 1035;
  padding-top: var(--m-safe-top);
  background: color-mix(in srgb, var(--m-surface) 92%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--m-divider);
}
.m-topbar-inner {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 var(--m-gutter);
  max-width: var(--m-max);
  margin: 0 auto;
}
.m-topbar-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--m-text);
  margin: 0;
  line-height: 1.1;
}
.m-topbar-sub {
  font-size: 0.78rem;
  color: var(--m-text-2);
  margin-top: 2px;
}

/* Buttons */
.m-btn {
  min-height: var(--m-tap);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 750;
  font-size: 0.92rem;
  border: 1px solid var(--m-divider);
  background: color-mix(in srgb, var(--m-surface-solid) 70%, transparent);
  color: var(--m-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.m-btn:active { transform: translateY(0.5px); }
.m-btn[data-variant="primary"] {
  border-color: color-mix(in srgb, var(--m-accent) 45%, var(--m-divider));
  background: linear-gradient(135deg, color-mix(in srgb, var(--m-accent) 85%, #ffffff 0%), var(--m-accent-2));
  color: #001018;
}
.m-btn[data-variant="ghost"] {
  background: transparent;
}

/* Fields */
.m-field {
  display: grid;
  gap: 6px;
}
.m-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 750;
  color: var(--m-text-2);
}
.m-input,
.m-select,
.m-textarea {
  min-height: var(--m-tap);
  border-radius: 14px;
  padding: 12px 12px;
  border: 1px solid var(--m-divider);
  background: color-mix(in srgb, var(--m-surface-solid) 78%, transparent);
  color: var(--m-text);
  outline: none;
}
.m-input:focus,
.m-select:focus,
.m-textarea:focus {
  border-color: color-mix(in srgb, var(--m-accent) 60%, var(--m-divider));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--m-accent) 16%, transparent);
}

/* List */
.m-list {
  display: grid;
}
.m-list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 12px 12px;
  border-bottom: 1px solid var(--m-divider);
}
.m-list-item:last-child { border-bottom: none; }
.m-list-title {
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--m-text);
  margin: 0;
  line-height: 1.2;
}
.m-list-meta {
  margin-top: 2px;
  font-size: 0.85rem;
  color: var(--m-text-2);
}

/* Sticky action bar (forms) */
.m-actionbar-spacer {
  height: calc(72px + var(--m-safe-bottom));
}
.m-actionbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px var(--m-gutter) calc(10px + var(--m-safe-bottom));
  background: color-mix(in srgb, var(--m-surface) 92%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--m-divider);
  z-index: 1040;
}
.m-actionbar-inner {
  max-width: var(--m-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Compatibility layer: make existing templates feel native on mobile
   (so we can migrate page-by-page away from massive inline styles). */
@media (max-width: 991.98px) {
  .m-app {
    background: var(--m-bg);
    color: var(--m-text);
  }

  .m-app .container,
  .m-app .container-fluid {
    max-width: var(--m-max);
    padding-left: var(--m-gutter) !important;
    padding-right: var(--m-gutter) !important;
  }

  .m-app .page-container {
    padding-top: 12px !important;
    padding-bottom: calc(18px + var(--m-safe-bottom)) !important;
  }

  .m-app .card,
  .m-app .main-card,
  .m-app .edit-card,
  .m-app .detail-card,
  .m-app .compact-card,
  .m-app .balance-card,
  .m-app .table-container {
    background: var(--m-surface) !important;
    border: 1px solid var(--m-divider) !important;
    border-radius: var(--m-radius-lg) !important;
    box-shadow: none !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .m-app .card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--m-divider) !important;
  }

  .m-app .form-control,
  .m-app .form-select,
  .m-app textarea.form-control,
  .m-app input.form-control {
    min-height: var(--m-tap);
    border-radius: 14px !important;
    border: 1px solid var(--m-divider) !important;
    background: color-mix(in srgb, var(--m-surface-solid) 78%, transparent) !important;
    color: var(--m-text) !important;
  }
  .m-app .form-control::placeholder { color: var(--m-text-3) !important; opacity: 1 !important; }
  .m-app .form-control:focus,
  .m-app .form-select:focus {
    border-color: color-mix(in srgb, var(--m-accent) 60%, var(--m-divider)) !important;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--m-accent) 16%, transparent) !important;
    outline: none !important;
  }

  .m-app .btn {
    min-height: var(--m-tap);
    border-radius: 12px !important;
    font-weight: 750 !important;
  }

  /* Reduce expensive animated backgrounds on mobile */
  body::before { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .m-btn { transition: none; }
}