/* ============================================================
   Vowi — Global Styles & Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Brand colours */
  --primary:          #c9a96e;
  --primary-dark:     #a07840;
  --primary-light:    #e8d5b0;
  --primary-bg:       #fdf8f1;

  /* Sidebar */
  --sidebar-bg:       #1c1410;
  --sidebar-border:   #2e231a;
  --sidebar-text:     #c8b89a;
  --sidebar-muted:    #7a6650;
  --sidebar-active-bg:#2e231a;
  --sidebar-width:    256px;

  /* Surface */
  --bg:               #f9f7f4;
  --bg-card:          #ffffff;
  --bg-input:         #ffffff;
  --bg-muted:         #f3efe9;

  /* Text */
  --text-primary:     #1a1410;
  --text-secondary:   #5c4d3d;
  --text-muted:       #9e8e7e;
  --text-inverse:     #ffffff;

  /* Border */
  --border:           #e5ddd4;
  --border-focus:     #c9a96e;

  /* Status */
  --success:          #16a34a;
  --success-bg:       #f0fdf4;
  --success-border:   #bbf7d0;
  --error:            #dc2626;
  --error-bg:         #fef2f2;
  --error-border:     #fecaca;
  --warning:          #d97706;
  --warning-bg:       #fffbeb;
  --warning-border:   #fde68a;
  --info:             #2563eb;
  --info-bg:          #eff6ff;
  --info-border:      #bfdbfe;

  /* Radius */
  --radius-xs:        4px;
  --radius-sm:        8px;
  --radius:           12px;
  --radius-lg:        16px;
  --radius-xl:        24px;
  --radius-full:      9999px;

  /* Shadows */
  --shadow-xs:        0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow:           0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.05);
  --shadow-md:        0 8px 16px rgba(0,0,0,.08), 0 3px 6px rgba(0,0,0,.05);
  --shadow-lg:        0 16px 32px rgba(0,0,0,.1), 0 6px 12px rgba(0,0,0,.06);
  --shadow-xl:        0 24px 48px rgba(0,0,0,.14);

  /* Typography */
  --font-sans:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif:       'Playfair Display', Georgia, 'Times New Roman', serif;

  /* Spacing */
  --header-height:    60px;
  --page-padding:     28px;

  /* Transition */
  --transition:       0.2s ease;
  --transition-slow:  0.3s ease;
}

/* ---- Reset ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

/* ============================================================
   APP LAYOUT (sidebar + main)
   ============================================================ */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 200;
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
}

/* ---- Collapsed state (desktop only) ---- */
.sidebar.collapsed { width: 64px; }

.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .sidebar-wedding,
.sidebar.collapsed .nav-item span:last-child,
.sidebar.collapsed .logout-btn span:last-child { display: none; }

.sidebar.collapsed .nav-item  { justify-content: center; padding: 11px; }
.sidebar.collapsed .logout-btn { justify-content: center; padding: 11px; }
.sidebar.collapsed .sidebar-toggle-btn { transform: rotate(180deg); }

body.sidebar-collapsed .main-content { margin-left: 64px; }

/* ---- Toggle button (desktop) ---- */
.sidebar-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  color: var(--sidebar-muted);
  font-size: 11px;
  transition: color var(--transition), transform var(--transition-slow);
  flex-shrink: 0;
  cursor: pointer;
}
.sidebar-toggle-btn:hover { color: #fff; background: var(--sidebar-active-bg); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.sidebar-close-btn {
  display: none;
  color: var(--sidebar-muted);
  font-size: 24px;
  line-height: 1;
  padding: 4px;
  border-radius: var(--radius-xs);
  transition: color var(--transition);
}
.sidebar-close-btn:hover { color: #fff; }

/* Wedding info badge */
.sidebar-wedding {
  padding: 12px 16px;
  margin: 12px;
  background: var(--sidebar-active-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--sidebar-border);
}

.sidebar-wedding-name {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  color: var(--primary-light);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-wedding-date {
  font-size: 0.75rem;
  color: var(--sidebar-muted);
  margin-top: 2px;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  padding: 8px 10px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--sidebar-active-bg);
  color: #fff;
  text-decoration: none;
}

.nav-item.active {
  background: var(--primary-dark);
  color: #fff;
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.85;
}

.nav-item.active .nav-icon { opacity: 1; }

/* Sidebar footer */
.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid var(--sidebar-border);
  flex-shrink: 0;
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.logout-btn:hover {
  background: rgba(220, 38, 38, 0.15);
  color: #f87171;
}

/* ---- Main content ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

/* ---- App header ---- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--page-padding);
  gap: 16px;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger-btn:hover { background: var(--bg-muted); }
.hamburger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform var(--transition);
}

.header-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---- Page body ---- */
.page-body {
  flex: 1;
  padding: var(--page-padding);
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 199;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.show { display: block; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.page-heading {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.page-subheading {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */

@media (max-width: 768px) {
  :root { --page-padding: 16px; }

  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important; /* never collapse on mobile */
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .sidebar-close-btn   { display: flex; }
  .sidebar-toggle-btn  { display: none; } /* no collapse on mobile */

  body.sidebar-collapsed .main-content { margin-left: 0; }
  .main-content { margin-left: 0; }
  .hamburger-btn { display: flex; }
  .page-body { padding: 16px; }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2        { gap: 8px; }
.gap-3        { gap: 12px; }
.gap-4        { gap: 16px; }
.flex-1       { flex: 1; }
.w-full       { width: 100%; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.hidden       { display: none !important; }
.sr-only      { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.truncate     { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mt-1         { margin-top: 4px; }
.mt-2         { margin-top: 8px; }
.mt-3         { margin-top: 12px; }
.mt-4         { margin-top: 16px; }
.mt-6         { margin-top: 24px; }
.mb-2         { margin-bottom: 8px; }
.mb-4         { margin-bottom: 16px; }
.mb-6         { margin-bottom: 24px; }
.p-4          { padding: 16px; }
.text-sm      { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.text-muted   { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error   { color: var(--error); }
.text-warning { color: var(--warning); }
.font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; }

/* ---- Currency / amount display ---- */
.amount {
  font-family: 'Roboto', sans-serif !important;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}