/* ZenStyle CSS Framework
   Single-file public entry point.
   Prefix user-facing classes with zs- to avoid collisions. */

:root {
  --zs-color-primary: #2563eb;
  --zs-color-primary-hover: #1d4ed8;
  --zs-color-secondary: #475569;
  --zs-color-secondary-hover: #334155;
  --zs-color-success: #16a34a;
  --zs-color-success-hover: #15803d;
  --zs-color-danger: #dc2626;
  --zs-color-danger-hover: #b91c1c;
  --zs-color-warning: #f59e0b;
  --zs-color-warning-hover: #d97706;
  --zs-color-info: #0891b2;
  --zs-color-info-hover: #0e7490;
  --zs-color-light: #f8fafc;
  --zs-color-dark: #0f172a;
  --zs-color-gray: #64748b;
  --zs-color-white: #ffffff;
  --zs-text: #172033;
  --zs-text-muted: #64748b;
  --zs-bg: #ffffff;
  --zs-surface: #f8fafc;
  --zs-border: #dbe3ef;
  --zs-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
  --zs-radius-sm: 0.25rem;
  --zs-radius: 0.5rem;
  --zs-radius-lg: 0.75rem;
  --zs-container: 72rem;
  --zs-font-sans: Arial, Helvetica, sans-serif;
  --zs-space-1: 0.25rem;
  --zs-space-2: 0.5rem;
  --zs-space-3: 1rem;
  --zs-space-4: 1.5rem;
  --zs-space-5: 2rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--zs-font-sans);
  color: var(--zs-text);
  background: var(--zs-bg);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: var(--zs-color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin-top: 0;
}

h1,
.zs-h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
}

h2,
.zs-h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.zs-container,
.container {
  width: min(100% - 2rem, var(--zs-container));
  margin-inline: auto;
}

.zs-section {
  padding-block: var(--zs-space-5);
}

.zs-row,
.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--zs-space-3);
}

.zs-col,
.col {
  flex: 1 1 0;
  min-width: 0;
}

.zs-grid {
  display: grid;
  gap: var(--zs-space-3);
}

.zs-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.zs-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.zs-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.zs-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--zs-space-3);
  padding-block: var(--zs-space-3);
}


.zs-navbar img {
  width: 4rem;
  height: 4rem;
  flex: 0 0 auto;
  border-radius: 999px;
  object-fit: cover;
}
.zs-navbar a {
  color: var(--zs-text);
  font-weight: 600;
}

.zs-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--zs-space-3);
}

.zs-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--zs-space-2);
  min-height: 2.5rem;
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--zs-radius, 0.5rem);
  color: var(--zs-color-white);
  background-color: var(--zs-color-primary, #2563eb);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.zs-btn:hover,
.btn:hover {
  background-color: var(--zs-color-primary-hover, #1d4ed8);
  text-decoration: none;
}

.zs-btn:focus-visible,
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.32);
  outline-offset: 2px;
}

.zs-btn:active,
.btn:active {
  transform: translateY(1px);
}

.zs-btn-primary,
.btn-primary {
  background-color: var(--zs-color-primary, #2563eb);
}

.zs-btn-primary:hover,
.btn-primary:hover {
  background-color: var(--zs-color-primary-hover, #1d4ed8);
}

.zs-btn-secondary,
.btn-secondary {
  background-color: var(--zs-color-secondary, #475569);
}

.zs-btn-secondary:hover,
.btn-secondary:hover {
  background-color: var(--zs-color-secondary-hover, #334155);
}

.zs-btn-success,
.btn-success {
  background-color: var(--zs-color-success, #16a34a);
}

.zs-btn-success:hover,
.btn-success:hover {
  background-color: var(--zs-color-success-hover, #15803d);
}

.zs-btn-danger,
.btn-danger {
  background-color: var(--zs-color-danger, #dc2626);
}

.zs-btn-danger:hover,
.btn-danger:hover {
  background-color: var(--zs-color-danger-hover, #b91c1c);
}

.zs-btn-warning,
.btn-warning {
  color: #1f2937;
  background-color: var(--zs-color-warning, #f59e0b);
}

.zs-btn-warning:hover,
.btn-warning:hover {
  background-color: var(--zs-color-warning-hover, #d97706);
}

.zs-btn-info,
.btn-info {
  background-color: var(--zs-color-info, #0891b2);
}

.zs-btn-info:hover,
.btn-info:hover {
  background-color: var(--zs-color-info-hover, #0e7490);
}

.zs-btn-accent,
.btn-accent {
  background-color: #7c3aed;
}

.zs-btn-accent:hover,
.btn-accent:hover {
  background-color: #6d28d9;
}

.zs-btn-outline,
.btn-outline {
  color: var(--zs-color-primary);
  background-color: transparent;
  border-color: currentColor;
}

.zs-btn-outline:hover,
.btn-outline:hover {
  color: var(--zs-color-white);
  background-color: var(--zs-color-primary, #2563eb);
}

.zs-card,
.card {
  overflow: hidden;
  border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius-lg, 0.75rem);
  background: var(--zs-color-white);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

.zs-card-header,
.card__header {
  padding: var(--zs-space-3);
  border-bottom: 1px solid var(--zs-border);
  background: var(--zs-surface);
  font-weight: 700;
}

.zs-card-body,
.card__body {
  padding: var(--zs-space-3);
}

.zs-card-footer,
.card__footer {
  padding: var(--zs-space-3);
  border-top: 1px solid var(--zs-border);
  background: var(--zs-surface);
}

.zs-form-group,
.form-group {
  display: grid;
  gap: var(--zs-space-2);
  margin-bottom: var(--zs-space-3);
}

.zs-label,
label {
  font-weight: 700;
}

.zs-input,
.zs-textarea,
.zs-select,
input,
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius, 0.5rem);
  color: var(--zs-text);
  background: var(--zs-color-white);
}

.zs-input:focus,
.zs-textarea:focus,
.zs-select:focus,
input:focus,
textarea:focus,
select:focus {
  border-color: var(--zs-color-primary);
  outline: none;
}

.zs-form-error,
.form-error {
  color: var(--zs-color-danger);
  font-size: 0.875rem;
}

.zs-alert,
.alert {
  padding: var(--zs-space-3);
  border: 1px solid transparent;
  border-radius: var(--zs-radius, 0.5rem);
  margin-bottom: var(--zs-space-3);
}

.zs-alert-success,
.alert-success {
  color: #14532d;
  background: #dcfce7;
  border-color: #86efac;
}

.zs-alert-info,
.alert-info {
  color: #164e63;
  background: #cffafe;
  border-color: #67e8f9;
}

.zs-alert-warning,
.alert-warning {
  color: #713f12;
  background: #fef3c7;
  border-color: #fcd34d;
}

.zs-alert-error,
.alert-error,
.zs-alert-danger,
.alert-danger {
  color: #7f1d1d;
  background: #fee2e2;
  border-color: #fca5a5;
}

.zs-badge,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  color: var(--zs-color-white);
  background-color: var(--zs-color-secondary, #475569);
  font-size: 0.8125rem;
  font-weight: 700;
}

.zs-badge-primary,
.badge-primary {
  background-color: var(--zs-color-primary, #2563eb);
}

.zs-badge-success,
.badge-success {
  background-color: var(--zs-color-success, #16a34a);
}

.zs-badge-warning,
.badge-warning {
  color: #1f2937;
  background-color: var(--zs-color-warning, #f59e0b);
}

.zs-badge-error,
.badge-error,
.zs-badge-danger,
.badge-danger {
  background-color: var(--zs-color-danger, #dc2626);
}

.zs-modal,
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--zs-space-3);
  background: rgba(15, 23, 42, 0.6);
}

.zs-modal.is-open,
.modal.is-open {
  display: flex;
}

.zs-modal-content,
.modal-content {
  width: min(100%, 32rem);
  padding: var(--zs-space-4);
  border-radius: var(--zs-radius-lg, 0.75rem);
  background: var(--zs-color-white);
  box-shadow: var(--zs-shadow);
}

.zs-modal-close,
.close {
  float: right;
  border: 0;
  background-color: transparent;
  color: var(--zs-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.zs-accordion,
.accordion {
  width: 100%;
  padding: var(--zs-space-3);
  border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius, 0.5rem);
  background: var(--zs-surface);
  color: var(--zs-text);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.zs-panel,
.panel {
  display: none;
  padding: var(--zs-space-3);
  border: 1px solid var(--zs-border);
  border-top: 0;
  border-radius: 0 0 var(--zs-radius) var(--zs-radius);
}

.zs-panel.is-open,
.panel.is-open,
.zs-accordion.open + .zs-panel,
.accordion.open + .panel {
  display: block;
}

.zs-tabs,
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--zs-space-2);
  border-bottom: 1px solid var(--zs-border);
}

.zs-tab-btn,
.tab-btn,
.tab-button {
  padding: 0.75rem 1rem;
  border: 0;
  border-bottom: 3px solid transparent;
  background-color: transparent;
  color: var(--zs-text-muted);
  font-weight: 700;
  cursor: pointer;
}

.zs-tab-btn.active,
.tab-btn.active,
.tab-button.active {
  border-bottom-color: var(--zs-color-primary);
  color: var(--zs-color-primary);
}

.zs-tab-content,
.tab-content {
  display: none;
  padding-block: var(--zs-space-3);
}

.zs-tab-content.active,
.tab-content.active {
  display: block;
}

.zs-icon-grid,
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
  gap: var(--zs-space-3);
}

.zs-icon-box,
.icon-box {
  display: grid;
  place-items: center;
  gap: var(--zs-space-2);
  padding: var(--zs-space-3);
  border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius, 0.5rem);
  background: var(--zs-surface);
}

.zs-social-icons,
.social-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--zs-space-2);
}

.zs-social-icon,
.social-icon {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  color: var(--zs-color-white);
  background: var(--zs-color-dark);
}

.theme-light {
  color: #172033;
  background: #ffffff;
}

.theme-dark {
  color: #f8fafc;
  background: #0f172a;
}

.theme-colorful {
  color: #172033;
  background: linear-gradient(135deg, #fef3c7, #bfdbfe 55%, #bbf7d0);
}

.zs-theme-preview,
.theme-preview {
  padding: var(--zs-space-4);
  border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius-lg, 0.75rem);
  margin-bottom: var(--zs-space-3);
}

.zs-text-left { text-align: left; }
.zs-text-center, .text-center { text-align: center; }
.zs-text-right, .text-right { text-align: right; }
.zs-text-bold, .text-bold { font-weight: 700; }
.zs-text-muted { color: var(--zs-text-muted); }
.zs-text-dark, .text-dark { color: var(--zs-color-dark); }
.zs-text-white, .text-white { color: var(--zs-color-white); }

.zs-bg-primary, .bg-primary { color: var(--zs-color-white); background: var(--zs-color-primary); }
.zs-bg-secondary, .bg-secondary { color: var(--zs-color-white); background: var(--zs-color-secondary); }
.zs-bg-success, .bg-success { color: var(--zs-color-white); background: var(--zs-color-success); }
.zs-bg-warning, .bg-warning { color: #1f2937; background: var(--zs-color-warning); }
.zs-bg-danger, .bg-danger { color: var(--zs-color-white); background: var(--zs-color-danger); }
.zs-bg-info, .bg-info { color: var(--zs-color-white); background: var(--zs-color-info); }
.zs-bg-dark, .bg-dark { color: var(--zs-color-white); background: var(--zs-color-dark); }
.zs-bg-light, .bg-light { color: var(--zs-color-dark); background: var(--zs-color-light); }
.zs-bg-gray, .bg-gray { color: var(--zs-color-white); background: var(--zs-color-gray); }
.zs-bg-white, .bg-white { color: var(--zs-color-dark); background: var(--zs-color-white); }

.zs-m-0 { margin: 0; }
.zs-m-1, .m-1 { margin: var(--zs-space-1); }
.zs-m-2, .m-2 { margin: var(--zs-space-2); }
.zs-m-3, .m-3 { margin: var(--zs-space-3); }
.zs-m-4, .m-4 { margin: var(--zs-space-4); }
.zs-mt-1, .mt-1 { margin-top: var(--zs-space-1); }
.zs-mt-2, .mt-2 { margin-top: var(--zs-space-2); }
.zs-mt-3, .mt-3 { margin-top: var(--zs-space-3); }
.zs-mb-1, .mb-1 { margin-bottom: var(--zs-space-1); }
.zs-mb-2, .mb-2 { margin-bottom: var(--zs-space-2); }
.zs-mb-3, .mb-3 { margin-bottom: var(--zs-space-3); }

.zs-p-0 { padding: 0; }
.zs-p-1, .p-1 { padding: var(--zs-space-1); }
.zs-p-2, .p-2 { padding: var(--zs-space-2); }
.zs-p-3, .p-3 { padding: var(--zs-space-3); }
.zs-p-4, .p-4 { padding: var(--zs-space-4); }

@media (max-width: 768px) {
  .zs-grid-2,
  .zs-grid-3,
  .zs-grid-4 {
    grid-template-columns: 1fr;
  }

  .zs-navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .zs-nav-links {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .zs-row,
  .row {
    flex-direction: column;
  }
}