/* ═══════════════════════════════════════════
   Global Styles — TailAdmin‑inspired
   ═══════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-background);
  min-height: 100vh;
  padding-bottom: var(--nav-height);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* ---------- Layout ---------- */
.app-main {
  padding-top: var(--header-height);
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

.app-content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 16px;
  overflow-x: hidden;
}

/* Top row: mặc định xếp dọc trên mobile */
.top-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* ---------- Form Controls ---------- */
.form-control {
  width: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-normal);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.btn-cancel,
.btn-outline {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-cancel:hover,
.btn-outline:hover {
  background: var(--color-background);
  border-color: var(--color-border-strong);
}

/* ---------- Utility ---------- */
.text-primary {
  color: var(--color-primary);
}

.text-success {
  color: var(--color-success);
}

.text-warning {
  color: var(--color-warning);
}

.text-danger {
  color: var(--color-danger);
}

.text-muted {
  color: var(--color-text-muted);
}

/* Smooth transitions for dark/light mode */
.app-header,
.app-sidebar,
.app-nav,
.stat-card,
.revenue-section,
.order-card,
.customer-card,
.data-table,
.chart-section,
.notification-dropdown,
.filter-modal,
.filter-overlay,
.select-modal {
  transition: background-color var(--transition-normal),
    border-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}