/* ============================================================
   Ndemaze Hotel & Suites — Shared Design System
   Imported by base.html before all page-specific stylesheets
   ============================================================ */

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  /* Colors */
  --color-primary:       #0f265c;
  --color-primary-dark:  #091840;
  --color-primary-light: #1e3a8a;
  --color-accent:        #c9ab75;
  --color-accent-dark:   #b89a63;
  --color-accent-light:  #d8c298;
  --color-cream:         #f8f5f0;
  --color-cream-border:  #f0e6d8;
  --color-bg:            #f9fafb;
  --color-surface:       #ffffff;
  --color-text:          #1f2937;
  --color-text-muted:    #6b7280;
  --color-border:        #e5e7eb;
  --color-error:         #b91c1c;
  --color-error-bg:      #fef2f2;
  --color-error-border:  #fecaca;
  --color-success:       #166534;
  --color-success-bg:    #f0fdf4;
  --color-success-border:#bbf7d0;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radii */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.25rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 12px rgba(15,38,92,0.08), 0 2px 6px rgba(15,38,92,0.05);
  --shadow-lg:  0 12px 35px rgba(15,38,92,0.10), 0 4px 12px rgba(15,38,92,0.06);
  --shadow-xl:  0 20px 50px rgba(15,38,92,0.14), 0 8px 20px rgba(15,38,92,0.08);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Focus ring */
  --focus-ring: 0 0 0 3px rgba(201,171,117,0.35);
}

/* ── Global Reset (safe alongside Tailwind) ──────────────── */
*,
*::before,
*::after { box-sizing: border-box; }

/* ── Typography Helpers ──────────────────────────────────── */
.ds-heading {
  font-family: var(--font-serif);
  color: var(--color-primary);
  line-height: 1.25;
}

.ds-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.ds-divider-bar {
  display: block;
  width: 56px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: var(--space-3) 0 0;
}

.ds-divider-bar--center {
  margin-left: auto;
  margin-right: auto;
}

/* ── Card ────────────────────────────────────────────────── */
.ds-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.ds-card--hover {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.ds-card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ── Buttons ─────────────────────────────────────────────── */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}
.ds-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ds-btn:active { transform: translateY(1px); }

.ds-btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.ds-btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15,38,92,0.25);
}

.ds-btn--accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.ds-btn--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,171,117,0.35);
}

.ds-btn--outline-primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.ds-btn--outline-primary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.ds-btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.ds-btn--outline-white:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.ds-btn--lg { padding: 0.85rem 2rem; font-size: var(--text-base); }
.ds-btn--sm { padding: 0.5rem 1rem;  font-size: var(--text-xs); }
.ds-btn--full { width: 100%; }

/* ── Badges ──────────────────────────────────────────────── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
}
.ds-badge--primary  { background: rgba(15,38,92,0.08);  color: var(--color-primary); }
.ds-badge--accent   { background: rgba(201,171,117,0.15); color: #7a5e2b; }
.ds-badge--success  { background: var(--color-success-bg);  color: var(--color-success); }
.ds-badge--error    { background: var(--color-error-bg);    color: var(--color-error); }

/* ── Form Controls ───────────────────────────────────────── */
.ds-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.ds-input,
.ds-select,
.ds-textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.ds-input::placeholder,
.ds-textarea::placeholder { color: var(--color-text-muted); }

.ds-input:focus,
.ds-select:focus,
.ds-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--focus-ring);
}

.ds-input--error,
.ds-select--error,
.ds-textarea--error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(185,28,28,0.12);
}

.ds-input--valid,
.ds-select--valid,
.ds-textarea--valid {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.12);
}

.ds-textarea { min-height: 130px; resize: vertical; }

.ds-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230f265c' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 10px;
  padding-right: 2.25rem;
  cursor: pointer;
}

.ds-field-error {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-error);
}

.ds-field-hint {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Django errorlist resets */
ul.errorlist {
  list-style: none;
  padding: 0;
  margin: var(--space-1) 0 0;
}
ul.errorlist li {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
ul.errorlist li::before {
  content: "!";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-error);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Alert / Flash Messages ──────────────────────────────── */
.ds-alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border-width: 1px;
  border-style: solid;
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.ds-alert--success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}
.ds-alert--error {
  background: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error);
}
.ds-alert--info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: var(--color-primary);
}

/* ── Section Patterns ────────────────────────────────────── */
.ds-section { padding: var(--space-16) 0; }
.ds-section--sm { padding: var(--space-12) 0; }

.ds-section-header { text-align: center; max-width: 680px; margin: 0 auto var(--space-10); }
.ds-section-header .ds-eyebrow { margin-bottom: var(--space-2); display: block; }
.ds-section-header h2 { margin-top: var(--space-2); }
.ds-section-header p { margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--text-base); }

/* ── Loading Spinner ─────────────────────────────────────── */
.ds-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ds-spin 0.65s linear infinite;
  flex-shrink: 0;
}
.ds-spinner--dark {
  border-color: rgba(15,38,92,0.2);
  border-top-color: var(--color-primary);
}
@keyframes ds-spin { to { transform: rotate(360deg); } }

/* ── Mobile Nav Improvements ─────────────────────────────── */
#mobile-menu {
  transition: max-height var(--transition-base), opacity var(--transition-base);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
#mobile-menu.is-open {
  max-height: 600px;
  opacity: 1;
}

#mobile-menu a {
  display: flex;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-cream-border);
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}
#mobile-menu a:last-child { border-bottom: none; }
#mobile-menu a:hover { color: var(--color-accent); }

/* ── Back to Top ─────────────────────────────────────────── */
#back-to-top {
  transition: opacity var(--transition-base), transform var(--transition-base);
  opacity: 0;
  transform: translateY(8px);
}
#back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Page Hero Banner ────────────────────────────────────── */
.ds-page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a3872 100%);
  color: #fff;
  padding: var(--space-16) var(--space-4);
  text-align: center;
  overflow: hidden;
}
.ds-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 0%, rgba(201,171,117,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.ds-page-hero > * { position: relative; z-index: 1; }

/* ── Responsive Utilities ────────────────────────────────── */
@media (max-width: 767px) {
  .ds-section { padding: var(--space-12) 0; }
  .ds-section--sm { padding: var(--space-8) 0; }

  /* Ensure min touch target of 44px */
  .ds-btn { min-height: 44px; }
  .ds-input, .ds-select, .ds-textarea { font-size: 16px; /* prevent iOS zoom */ }
}

@media (max-width: 479px) {
  .ds-btn--full-xs { width: 100%; }
}