/*
 * Sreenidhi Theme — pretix presale theme
 * Clean, minimal, professional ticket shop experience
 */

/* ── CSS Custom Properties ── */
:root {
  --sreenidhi-primary: #1a56db;
  --sreenidhi-primary-dark: #1340a0;
  --sreenidhi-primary-light: #e8effd;
  --sreenidhi-accent: #f59e0b;
  --sreenidhi-bg: #f8fafc;
  --sreenidhi-surface: #ffffff;
  --sreenidhi-text: #0f172a;
  --sreenidhi-text-secondary: #475569;
  --sreenidhi-text-muted: #94a3b8;
  --sreenidhi-border: #e2e8f0;
  --sreenidhi-border-focus: #1a56db;
  --sreenidhi-success: #10b981;
  --sreenidhi-error: #ef4444;
  --sreenidhi-warning: #f59e0b;
  --sreenidhi-radius: 12px;
  --sreenidhi-radius-sm: 8px;
  --sreenidhi-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --sreenidhi-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --sreenidhi-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --sreenidhi-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --sreenidhi-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sreenidhi-font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --sreenidhi-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base Reset & Typography ── */
body {
  font-family: var(--sreenidhi-font);
  color: var(--sreenidhi-text);
  background: var(--sreenidhi-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sreenidhi-font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sreenidhi-text);
}

h1 { font-size: 2rem; line-height: 1.2; }
h2 { font-size: 1.5rem; line-height: 1.3; }
h3 { font-size: 1.25rem; line-height: 1.4; }

a {
  color: var(--sreenidhi-primary);
  transition: color var(--sreenidhi-transition);
}
a:hover { color: var(--sreenidhi-primary-dark); }
a.no-underline:hover { text-decoration: underline; }

/* ── Layout ── */
.container.main-box {
  padding-top: 2rem;
  padding-bottom: 3rem;
  animation: fadeIn 0.4s ease-out;
}

.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--sreenidhi-border);
}

/* ── Cards ── */
.panel,
.card {
  background: var(--sreenidhi-surface);
  border: 1px solid var(--sreenidhi-border);
  border-radius: var(--sreenidhi-radius);
  box-shadow: var(--sreenidhi-shadow-sm);
  transition: box-shadow var(--sreenidhi-transition), transform var(--sreenidhi-transition);
}

.panel:hover,
.card:hover {
  box-shadow: var(--sreenidhi-shadow-md);
}

.panel-default > .panel-heading {
  background: var(--sreenidhi-bg);
  border-bottom: 1px solid var(--sreenidhi-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.panel-body { padding: 1.25rem; }

/* ── Buttons ── */
.btn {
  font-family: var(--sreenidhi-font);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--sreenidhi-radius-sm);
  border: 1px solid transparent;
  transition: all var(--sreenidhi-transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--sreenidhi-primary);
  color: #fff;
  border-color: var(--sreenidhi-primary);
  box-shadow: 0 1px 2px rgba(26, 86, 219, 0.3);
}
.btn-primary:hover {
  background: var(--sreenidhi-primary-dark);
  border-color: var(--sreenidhi-primary-dark);
  box-shadow: 0 2px 4px rgba(26, 86, 219, 0.4);
  transform: translateY(-1px);
}

.btn-default {
  background: var(--sreenidhi-surface);
  color: var(--sreenidhi-text);
  border-color: var(--sreenidhi-border);
}
.btn-default:hover {
  background: var(--sreenidhi-bg);
  border-color: var(--sreenidhi-text-muted);
}

.btn-danger {
  background: var(--sreenidhi-error);
  color: #fff;
  border-color: var(--sreenidhi-error);
}
.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
}

.btn-success {
  background: var(--sreenidhi-success);
  color: #fff;
  border-color: var(--sreenidhi-success);
}
.btn-success:hover {
  background: #059669;
  border-color: #059669;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ── Form Elements ── */
.form-control {
  font-family: var(--sreenidhi-font);
  font-size: 0.9375rem;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--sreenidhi-border);
  border-radius: var(--sreenidhi-radius-sm);
  background: var(--sreenidhi-surface);
  color: var(--sreenidhi-text);
  transition: all var(--sreenidhi-transition);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

.form-control:focus {
  border-color: var(--sreenidhi-border-focus);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15), inset 0 1px 2px rgba(0, 0, 0, 0.04);
  outline: none;
}

.form-control.has-error {
  border-color: var(--sreenidhi-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-group { margin-bottom: 1.25rem; }

.control-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--sreenidhi-text);
  margin-bottom: 0.375rem;
}

.help-block {
  font-size: 0.8125rem;
  color: var(--sreenidhi-text-muted);
  margin-top: 0.25rem;
}

.help-block.error {
  color: var(--sreenidhi-error);
}

/* ── Alerts / Messages ── */
.alert {
  border: none;
  border-radius: var(--sreenidhi-radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  animation: slideDown 0.3s ease-out;
}

.alert p { margin-bottom: 0; }

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border-left: 4px solid var(--sreenidhi-success);
}

.alert-info {
  background: var(--sreenidhi-primary-light);
  color: #1e40af;
  border-left: 4px solid var(--sreenidhi-primary);
}

.alert-warning {
  background: #fffbeb;
  color: #92400e;
  border-left: 4px solid var(--sreenidhi-warning);
}

.alert-danger,
.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border-left: 4px solid var(--sreenidhi-error);
}

/* ── Navigation / Checkout Flow ── */
.checkout-flow {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  background: var(--sreenidhi-surface);
  border: 1px solid var(--sreenidhi-border);
  border-radius: var(--sreenidhi-radius);
  overflow: hidden;
}

.checkout-flow .step {
  flex: 1;
  padding: 0.875rem 1rem;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sreenidhi-text-muted);
  position: relative;
  transition: all var(--sreenidhi-transition);
}

.checkout-flow .step::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  border-right: 1px solid var(--sreenidhi-border);
}

.checkout-flow .step:last-child::after { display: none; }

.checkout-flow .step.active {
  color: var(--sreenidhi-primary);
  background: var(--sreenidhi-primary-light);
  font-weight: 600;
}

.checkout-flow .step.completed {
  color: var(--sreenidhi-success);
}

.checkout-flow .step .step-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  line-height: 24px;
  border-radius: 50%;
  text-align: center;
  font-size: 0.75rem;
  margin-right: 0.375rem;
  background: var(--sreenidhi-border);
  color: var(--sreenidhi-text-muted);
}

.checkout-flow .step.active .step-icon {
  background: var(--sreenidhi-primary);
  color: #fff;
}

.checkout-flow .step.completed .step-icon {
  background: var(--sreenidhi-success);
  color: #fff;
}

/* ── Product List ── */
.product-row {
  background: var(--sreenidhi-surface);
  border: 1px solid var(--sreenidhi-border);
  border-radius: var(--sreenidhi-radius);
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  transition: all var(--sreenidhi-transition);
  animation: fadeInUp 0.3s ease-out both;
}

.product-row:nth-child(2) { animation-delay: 0.05s; }
.product-row:nth-child(3) { animation-delay: 0.1s; }
.product-row:nth-child(4) { animation-delay: 0.15s; }
.product-row:nth-child(5) { animation-delay: 0.2s; }

.product-row:hover {
  border-color: var(--sreenidhi-primary);
  box-shadow: var(--sreenidhi-shadow);
}

.product-row .product-title {
  font-family: var(--sreenidhi-font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--sreenidhi-text);
}

.product-row .product-price {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--sreenidhi-primary);
}

.product-row .product-description {
  color: var(--sreenidhi-text-secondary);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* ── Cart Box ── */
.cart-box {
  background: var(--sreenidhi-surface);
  border: 1px solid var(--sreenidhi-border);
  border-radius: var(--sreenidhi-radius);
  box-shadow: var(--sreenidhi-shadow);
  position: sticky;
  top: 1rem;
}

.cart-box .panel-heading {
  background: var(--sreenidhi-bg);
  border-bottom: 1px solid var(--sreenidhi-border);
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-family: var(--sreenidhi-font-heading);
}

.cart-box .panel-body { padding: 1.25rem; }

.cart-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--sreenidhi-border);
  font-size: 0.875rem;
}

.cart-item:last-child { border-bottom: none; }

/* ── Tables ── */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table > thead > tr > th {
  font-family: var(--sreenidhi-font-heading);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sreenidhi-text-secondary);
  border-bottom: 2px solid var(--sreenidhi-border);
  padding: 0.75rem 1rem;
}

.table > tbody > tr > td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--sreenidhi-border);
  vertical-align: middle;
}

.table > tbody > tr:hover {
  background: var(--sreenidhi-bg);
}

/* ── Badge / Status ── */
.label {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.label-primary { background: var(--sreenidhi-primary-light); color: var(--sreenidhi-primary); }
.label-success { background: #ecfdf5; color: #065f46; }
.label-warning { background: #fffbeb; color: #92400e; }
.label-danger { background: #fef2f2; color: #991b1b; }
.label-default { background: #f1f5f9; color: var(--sreenidhi-text-secondary); }

/* ── Footer ── */
footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--sreenidhi-border);
}

footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--sreenidhi-text-muted);
}

footer nav ul li a {
  color: var(--sreenidhi-text-secondary);
  text-decoration: none;
  transition: color var(--sreenidhi-transition);
}

footer nav ul li a:hover {
  color: var(--sreenidhi-primary);
}

/* ── Organizer / Event Header ── */
.page-header-links {
  margin-bottom: 0.5rem;
}

.event-logo {
  max-height: 80px;
  width: auto;
}

/* ── Locale Switcher ── */
.locales ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.25rem;
}

.locales ul li a {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--sreenidhi-text-secondary);
  text-decoration: none;
  transition: all var(--sreenidhi-transition);
}

.locales ul li a:hover,
.locales ul li a.active {
  background: var(--sreenidhi-primary-light);
  color: var(--sreenidhi-primary);
}

/* ── Offline / Test Mode Banner ── */
.offline-banner {
  background: var(--sreenidhi-warning);
  color: #92400e;
  font-size: 0.875rem;
  padding: 0.625rem 0;
  text-align: center;
}

.alert-testmode {
  border-radius: var(--sreenidhi-radius-sm);
}

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── Loading States ── */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin: -8px 0 0 -8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── Skeleton Loading ── */
.skeleton {
  background: linear-gradient(90deg, var(--sreenidhi-border) 25%, #f1f5f9 50%, var(--sreenidhi-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .checkout-flow .step .step-label {
    display: none;
  }

  .product-row {
    padding: 1rem;
  }

  .product-row .product-price {
    font-size: 1rem;
  }

  .container.main-box {
    padding-top: 1rem;
  }
}

/* ── Smooth Scroll ── */
html {
  scroll-behavior: smooth;
}

/* ── Focus Styles ── */
:focus-visible {
  outline: 2px solid var(--sreenidhi-primary);
  outline-offset: 2px;
}

/* ── Selection ── */
::selection {
  background: var(--sreenidhi-primary);
  color: #fff;
}

/* ── Print ── */
@media print {
  .btn, .checkout-flow, .locales, .hidden-print { display: none !important; }
  body { background: #fff; }
  .panel, .card { box-shadow: none; border: 1px solid #ddd; }
}