/* ========================================================================
   Varbiri — BASE CSS (Premium)
   Reset • Layout • Sidebar • Topbar • Buttons • Cards • Tables • Forms
   ======================================================================== */

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

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

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    font-weight: var(--fw-regular);
    line-height: 1.55;
    color: var(--text-primary);
    background: var(--surface-base);
    background-image: var(--grad-ambient);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; font-size: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
[hidden],
.hidden { display: none !important; }

h1, h2, h3, h4, h5, h6 { color: var(--text-strong); line-height: 1.25; font-weight: var(--fw-semibold); letter-spacing: -0.01em; }

.font-numeric { font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--surface-raised);
    border-radius: var(--radius-pill);
    border: 2px solid var(--surface-base);
}
::-webkit-scrollbar-thumb:hover { background: var(--surface-hover); }
* { scrollbar-width: thin; scrollbar-color: var(--surface-raised) transparent; }
@supports not (scrollbar-width: thin) {
    *::-webkit-scrollbar { width: 6px; }
    *::-webkit-scrollbar-track { background: transparent; }
    *::-webkit-scrollbar-thumb { background: var(--surface-raised); border-radius: var(--radius-pill); }
}

/* ========== LAYOUT SHELL ========== */
.app-shell { display: flex; min-height: 100vh; position: relative; }

/* ========== SIDEBAR ========== */
.ui-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, rgba(20, 26, 43, 0.98), rgba(14, 19, 32, 0.98));
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-subtle);
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: transform var(--dur-smooth) var(--ease-smooth);
}

html.theme-light .ui-sidebar {
    background: linear-gradient(180deg, #FFFFFF, #F7F9FC);
    border-right: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
}

.ui-sidebar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    height: var(--topbar-height);
    flex-shrink: 0;
}

.ui-brand-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--grad-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: var(--fw-black);
    font-size: 15px;
    letter-spacing: 0.02em;
    box-shadow: 0 8px 20px -4px rgba(43, 102, 232, 0.55), inset 0 1px 0 rgba(255,255,255,0.3);
    position: relative;
    overflow: hidden;
}
.ui-brand-logo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.25), transparent 50%);
}

.ui-brand-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
}
.ui-brand-copy__name { font-size: var(--fs-md); font-weight: var(--fw-semibold); color: var(--text-strong); line-height: 1.15; }
.ui-brand-copy__tag { display: block; font-size: 10px; font-weight: var(--fw-semibold); color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 2px; }

.ui-sidebar__scroll {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5) var(--space-3);
}

.ui-nav-group { margin-bottom: var(--space-5); }
.ui-nav-group__label {
    display: block;
    font-size: 10px;
    font-weight: var(--fw-semibold);
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: var(--space-2) var(--space-3) var(--space-3);
    margin-bottom: var(--space-1);
}

.ui-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 11px var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    transition: all var(--dur-base) var(--ease-standard);
    position: relative;
    margin-bottom: 4px;
    min-height: 42px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.015) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom-color: rgba(255, 255, 255, 0.02);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 1px rgba(255, 255, 255, 0.08),
        inset 0 -1px 1px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.ui-nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.05), transparent 60%);
    opacity: 0.6;
    pointer-events: none;
    transition: opacity var(--dur-base) ease;
}

.ui-nav-item i { font-size: 18px; flex-shrink: 0; width: 20px; text-align: center; }
.ui-nav-item span { flex: 1; z-index: 1; }

.ui-nav-item:hover {
    background: var(--surface-secondary);
    color: var(--text-strong);
    transform: translateX(4px);
    box-shadow: inset 3px 0 0 var(--brand-glow), 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.08);
}
.ui-nav-item:hover::before { opacity: 1; }

.ui-nav-item.is-active {
    background: var(--grad-brand-soft);
    color: var(--brand-glow);
    font-weight: var(--fw-semibold);
    border-color: rgba(43, 102, 232, 0.2);
}
.ui-nav-item.is-active::after {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--grad-brand);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 12px var(--brand);
}

html.theme-light .ui-nav-item {
    color: var(--text-muted);
    background: linear-gradient(180deg, #ffffff 0%, #f4f6f9 100%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom-color: rgba(0, 0, 0, 0.1);
    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.03),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}
html.theme-light .ui-nav-item::before { background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 1), transparent 60%); }
html.theme-light .ui-nav-item:hover { background: var(--surface-raised); color: var(--text-strong); border-color: rgba(0, 0, 0, 0.1); }
html.theme-light .ui-nav-item.is-active { background: var(--brand-muted); color: var(--brand); border-color: rgba(43, 102, 232, 0.15); }

.ui-nav-item__badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: var(--fw-bold);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    background: var(--brand);
    color: #fff;
    min-width: 20px;
    text-align: center;
    line-height: 1.4;
}

.ui-sidebar__foot {
    padding: var(--space-4);
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.ui-user-chip {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background var(--dur-base);
    cursor: pointer;
}
.ui-user-chip:hover { background: var(--surface-secondary); }
.ui-user-chip__text { min-width: 0; flex: 1; }
.user-chip__name { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--text-strong); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; line-height: 1.2; }
.user-chip__role { font-size: var(--fs-xs); color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui-user-chip__caret { color: var(--text-subtle); font-size: 14px; }

/* ========== TOPBAR ========== */
.ui-topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    padding: 0 var(--space-6);
    background: rgba(14, 19, 32, 0.72);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    z-index: var(--z-sticky);
}

html.theme-light .ui-topbar {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 1px 3px rgba(13, 21, 48, 0.04);
}

.ui-topbar-title { font-size: var(--fs-lg); font-weight: var(--fw-semibold); color: var(--text-strong); }
.ui-topbar-spacer { flex: 1; }

/* Main content area */
.ui-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--dur-smooth) var(--ease-smooth);
    min-width: 0;
    flex: 1;
}

.ui-content {
    flex: 1;
    padding: var(--space-7) var(--space-6);
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    overflow-x: hidden;
}

/* ========== SEARCH ========== */
.ui-search {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--surface-secondary);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 0 var(--space-4);
    min-height: 42px;
    transition: all var(--dur-base);
}
.ui-search:focus-within {
    border-color: var(--brand-ring);
    box-shadow: 0 0 0 4px var(--brand-muted);
    background: var(--surface-elevated);
}
.ui-search__icon {
    color: var(--text-muted);
    font-size: 18px;
    margin-right: var(--space-2);
    flex-shrink: 0;
}
.ui-search__input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: var(--fs-sm);
    color: var(--text-primary);
}
.ui-search__input::placeholder { color: var(--text-subtle); }
.ui-search__kbd {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    background: var(--surface-raised);
    border: 1px solid var(--border-soft);
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ========== BUTTONS ========== */
.ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px var(--space-4);
    min-height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--dur-base) var(--ease-standard);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.005em;
    -webkit-user-select: none;
    user-select: none;
}
.ui-btn:focus-visible { outline: 3px solid var(--brand-ring); outline-offset: 2px; }
.ui-btn i { font-size: 16px; flex-shrink: 0; }

/* Button ripple micro-interaction */
@keyframes btnRipple {
    0% { transform: scale(0); opacity: 0.35; }
    100% { transform: scale(2.5); opacity: 0; }
}
.ui-btn:active::before {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: btnRipple 500ms var(--ease-standard) forwards;
    pointer-events: none;
    z-index: 5;
}

/* Primary */
.ui-btn--primary {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: 0 6px 18px -4px rgba(43, 102, 232, 0.55), inset 0 1px 0 rgba(255,255,255,0.25);
}
.ui-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px -4px rgba(43, 102, 232, 0.7), inset 0 1px 0 rgba(255,255,255,0.3);
    filter: brightness(1.08);
}
.ui-btn--primary:active { transform: translateY(0) scale(0.98); }
.ui-btn--primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.18), transparent 50%);
    pointer-events: none;
}

/* Secondary */
.ui-btn--secondary {
    background: var(--surface-secondary);
    color: var(--text-strong);
    border-color: var(--border-soft);
    box-shadow: var(--shadow-xs);
}
.ui-btn--secondary:hover {
    background: var(--surface-elevated);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

/* Ghost */
.ui-btn--ghost {
    background: transparent;
    color: var(--text-primary);
}
.ui-btn--ghost:hover {
    background: var(--surface-secondary);
    color: var(--text-strong);
}

/* Danger */
.ui-btn--danger {
    background: linear-gradient(135deg, var(--danger), #C73838);
    color: #fff;
    box-shadow: 0 6px 18px -4px rgba(225, 76, 76, 0.55);
}
.ui-btn--danger:hover {
    transform: translateY(-1px);
    filter: brightness(1.08);
}

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

.ui-text-danger i,
.ui-text-danger .icon {
    color: currentColor;
}

/* Success */
.ui-btn--success {
    background: linear-gradient(135deg, var(--success), #10956D);
    color: #fff;
    box-shadow: 0 6px 18px -4px rgba(23, 184, 136, 0.55);
}
.ui-btn--success:hover { transform: translateY(-1px); filter: brightness(1.08); }

/* Sizes */
.ui-btn--sm { min-height: 32px; padding: 6px var(--space-3); font-size: var(--fs-xs); }
.ui-btn--lg { min-height: 52px; padding: 14px var(--space-6); font-size: var(--fs-md); border-radius: var(--radius-lg); }
.ui-btn--full { width: 100%; }

.ui-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* Icon button */
.ui-icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    background: transparent;
    transition: all var(--dur-base);
    position: relative;
    flex-shrink: 0;
}
.ui-icon-btn:hover {
    background: var(--surface-secondary);
    color: var(--text-strong);
}
.ui-icon-btn i { font-size: 18px; }

/* Avatar */
.ui-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--grad-brand);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    box-shadow: 0 4px 12px -2px rgba(43, 102, 232, 0.45), inset 0 1px 0 rgba(255,255,255,0.2);
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
}
.ui-avatar--sm { width: 32px; height: 32px; font-size: var(--fs-xs); }

/* ========== CARDS ========== */
.ui-card {
    background: var(--grad-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--dur-smooth) var(--ease-standard);
    position: relative;
    overflow: hidden;
}
.ui-card:hover {
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-strong);
}

.ui-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: var(--grad-accent-line);
    opacity: 0.4;
    pointer-events: none;
    transition: opacity var(--dur-smooth);
}
.ui-card:hover::before { opacity: 0.7; }

html.theme-light .ui-card {
    background: var(--grad-surface);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
}
html.theme-light .ui-card::before { opacity: 0.15; }
html.theme-light .ui-card:hover { box-shadow: var(--shadow-md); }

.ui-card--padded {
    padding: var(--space-5);
}

.ui-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.ui-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    min-width: 0;
    padding: var(--space-5) var(--space-6) 0;
}

.ui-card--padded > .ui-card__head:first-child {
    padding: 0;
}

.ui-card__head h1,
.ui-card__head h2,
.ui-card__head h3,
.ui-card__head p {
    margin-top: 0;
    overflow-wrap: anywhere;
}

.ui-card__head h1,
.ui-card__head h2,
.ui-card__head h3 {
    margin-bottom: var(--space-1);
    color: var(--text-strong);
    letter-spacing: 0;
}

.ui-card__head p {
    margin-bottom: 0;
    color: var(--text-muted);
}

.ui-card__head-body {
    display: grid;
    flex: 1 1 auto;
    gap: var(--space-2);
    min-width: 0;
}

.ui-card__thumb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--brand-bright);
    background: rgba(43, 102, 232, 0.12);
    border: 1px solid rgba(84, 139, 245, 0.22);
}

.ui-card__thumb .icon { font-size: 18px; }

.ui-card__title {
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    color: var(--text-strong);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}
.ui-card__title i { color: var(--brand-bright); font-size: 18px; }

.cart-summary-card .ui-card__title {
    flex-wrap: nowrap;
    white-space: nowrap;
}

.ui-card__action { font-size: var(--fs-sm); color: var(--brand-bright); font-weight: var(--fw-medium); transition: all var(--dur-base); }
.ui-card__action:hover { color: var(--brand-glow); text-shadow: 0 0 12px var(--brand-bright); }

.ui-card__body {
    min-width: 0;
    padding: var(--space-6);
}

.ui-card__body > :first-child { margin-top: 0; }
.ui-card__body > :last-child { margin-bottom: 0; }

.ui-card__meta {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

.ui-card__foot {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    min-width: 0;
    padding: 0 var(--space-6) var(--space-5);
    margin-top: auto;
}

/* ========== KPI CARD (Premium) ========== */
.ui-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-7);
}

.ui-kpi {
    background: var(--grad-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
    transition: all var(--dur-smooth) var(--ease-bounce);
    box-shadow: 0 18px 36px -8px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.06);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 1025px) {
    .dashboard-kpi-grid > .ui-kpi {
        height: 240px;
    }
}

html.theme-light .ui-kpi {
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-soft);
}

.ui-kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad-accent-line);
    opacity: 0.7;
}
.ui-kpi::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 0% 0%, rgba(43, 102, 232, 0.15), transparent 55%);
    pointer-events: none;
    opacity: 0.9;
    transition: opacity var(--dur-smooth);
}

.ui-kpi:hover {
    transform: translateY(-6px);
    border-color: var(--border-brand);
    box-shadow: 0 28px 60px -12px rgba(0,0,0,0.6), 0 0 40px rgba(43,102,232,0.22), inset 0 1px 0 rgba(255,255,255,0.1);
}

.ui-kpi__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
}

.ui-kpi__label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 11px;
    font-weight: var(--fw-bold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
}
.ui-kpi__label i { color: var(--brand-bright); font-size: 16px; }

.ui-kpi__trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: var(--fw-bold);
}
.ui-kpi__trend--up { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-ring); }
.ui-kpi__trend--down { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-ring); }
.ui-kpi__trend--flat { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-ring); }

.ui-kpi__value {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: var(--fw-black);
    line-height: 1;
    letter-spacing: 0;
    background: var(--grad-number);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    z-index: 1;
}

.ui-kpi__sub { font-size: var(--fs-xs); color: var(--text-subtle); position: relative; z-index: 1; }

.ui-kpi__foot {
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

/* KPI accents */
.ui-kpi--success::before { background: linear-gradient(90deg, transparent, var(--success), transparent); }
.ui-kpi--success::after { background: radial-gradient(circle at 0% 0%, rgba(23, 184, 136, 0.15), transparent 55%); }
.ui-kpi--success .ui-kpi__label i { color: var(--success); }

.ui-kpi--warning::before { background: linear-gradient(90deg, transparent, var(--warning), transparent); }
.ui-kpi--warning::after { background: radial-gradient(circle at 0% 0%, rgba(233, 167, 60, 0.15), transparent 55%); }
.ui-kpi--warning .ui-kpi__label i { color: var(--warning); }

.ui-kpi--violet::before { background: linear-gradient(90deg, transparent, var(--accent-violet), transparent); }
.ui-kpi--violet::after { background: radial-gradient(circle at 0% 0%, rgba(124, 106, 242, 0.18), transparent 55%); }
.ui-kpi--violet .ui-kpi__label i { color: var(--accent-violet); }

/* Sparkline inside KPI */
.ui-kpi__spark {
    height: 40px;
    width: 100%;
    position: relative;
    z-index: 1;
}
.ui-kpi__spark svg { width: 100%; height: 100%; overflow: visible; }

/* ========== STATUS / BADGE ========== */
.ui-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    border: 1px solid transparent;
    line-height: 1.4;
}
.ui-status__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}
.ui-status--success { background: var(--success-bg); color: var(--success); border-color: var(--success-ring); }
.ui-status--success .ui-status__dot { background: var(--success); box-shadow: 0 0 8px var(--success); }
.ui-status--warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-ring); }
.ui-status--warning .ui-status__dot { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.ui-status--danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-ring); }
.ui-status--danger .ui-status__dot { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.ui-status--info { background: var(--info-bg); color: var(--info); border-color: var(--info-ring); }
.ui-status--info .ui-status__dot { background: var(--info); box-shadow: 0 0 8px var(--info); }
.ui-status--neutral { background: var(--surface-raised); color: var(--text-muted); border-color: var(--border-soft); }
.ui-status--neutral .ui-status__dot { background: var(--text-muted); }

/* Pulse for "active" statuses */
@keyframes statusPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.5; }
}
.ui-status--live .ui-status__dot { animation: statusPulse 2s ease-in-out infinite; }

.ui-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    background: var(--surface-raised);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: var(--fw-semibold);
}
.ui-badge--count {
    background: var(--brand);
    color: #fff;
    min-width: 20px;
    justify-content: center;
    border-radius: var(--radius-pill);
    padding: 1px 7px;
    font-size: 10px;
    line-height: 1.4;
}
.ui-badge--brand { background: var(--brand-muted); color: var(--brand-glow); border: 1px solid var(--border-brand); }
.ui-badge--success { background: var(--success-bg); color: var(--success); }
.ui-badge--warning { background: var(--warning-bg); color: var(--warning); }

/* ========== TABLES ========== */
.ui-table-wrap {
    background: var(--grad-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
html.theme-light .ui-table-wrap { box-shadow: var(--shadow-sm); }

.ui-table-scroll { overflow-x: auto; }

.ui-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--fs-sm);
    min-width: 700px;
}
.ui-table th,
.ui-table td {
    padding: 14px var(--space-5);
    text-align: left;
    vertical-align: middle;
}
.ui-table thead th {
    background: var(--surface-secondary);
    font-size: 11px;
    font-weight: var(--fw-bold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
}
.ui-table tbody tr {
    border-bottom: 1px solid var(--border-soft);
    transition: all var(--dur-fast);
    position: relative;
}
.ui-table tbody tr:nth-child(even) {
    background: rgba(255,255,255,0.015);
}
.ui-table tbody tr:last-child { border-bottom: 0; }
.ui-table tbody tr:hover {
    background: var(--surface-secondary);
    box-shadow: inset 3px 0 0 var(--brand-bright);
}
html.theme-light .ui-table tbody tr:nth-child(even) { background: rgba(0,0,0,0.015); }
html.theme-light .ui-table tbody tr:hover { background: var(--surface-raised); box-shadow: inset 3px 0 0 var(--brand); }

.ui-table td { color: var(--text-primary); }
.ui-table td.is-strong { color: var(--text-strong); font-weight: var(--fw-semibold); }
.ui-table td.is-muted { color: var(--text-muted); }
.ui-table th.is-right { text-align: right; }
.ui-table td.is-right { text-align: right; }
.ui-table td.is-numeric { font-variant-numeric: tabular-nums; font-weight: var(--fw-semibold); letter-spacing: -0.01em; }

.ui-table__code { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--brand-bright); font-weight: var(--fw-semibold); }

.ui-table__customer { display: flex; align-items: center; gap: var(--space-3); }
.ui-table__customer-name { font-weight: var(--fw-semibold); color: var(--text-strong); line-height: 1.2; }
.ui-table__customer-sub { font-size: var(--fs-xs); color: var(--text-muted); margin-top: 2px; }

.ui-table__actions { display: flex; gap: 4px; }
.orders-row-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

/* ========== FORMS ========== */
.ui-label {
    display: block;
    font-size: 11px;
    font-weight: var(--fw-bold);
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ui-input,
.ui-select,
.ui-textarea,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="hidden"]):not([type="button"]):not([type="submit"]):not([type="reset"]):not(.ui-input),
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) select:not(.ui-input):not(.ui-select),
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) textarea:not(.ui-input):not(.ui-textarea) {
    width: 100%;
    min-height: 44px;
    padding: 10px var(--space-4);
    background: var(--surface-secondary);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    color: var(--text-strong);
    font-size: var(--fs-sm);
    transition: all var(--dur-base);
}
.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="hidden"]):not([type="button"]):not([type="submit"]):not([type="reset"]):not(.ui-input):focus,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) select:not(.ui-input):not(.ui-select):focus,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) textarea:not(.ui-input):not(.ui-textarea):focus {
    outline: 0;
    border-color: var(--brand);
    box-shadow: 0 0 0 4px var(--brand-muted);
    background: var(--surface-elevated);
}
.ui-input::placeholder,
.ui-textarea::placeholder,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="range"]):not([type="color"]):not([type="hidden"]):not([type="button"]):not([type="submit"]):not([type="reset"]):not(.ui-input)::placeholder,
:where(.ui-form-field, .ui-form-row, .ui-field, .form-group, .auth-form, .login-form) textarea:not(.ui-input):not(.ui-textarea)::placeholder {
    color: var(--text-subtle);
}

.ui-input-group { position: relative; }
.ui-input-group .ui-input { padding-left: 44px; padding-right: 44px; }
.ui-input-group__icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
    pointer-events: none;
}

.ui-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
    color: var(--text-primary);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    position: relative;
}
.ui-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.ui-checkbox__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--surface-secondary);
    border: 2px solid var(--border-soft);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}
.ui-checkbox:hover .ui-checkbox__mark {
    border-color: var(--brand-bright);
    background: var(--surface-elevated);
}
.ui-checkbox input:checked ~ .ui-checkbox__mark {
    background: var(--grad-brand);
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(43, 102, 232, 0.4);
    transform: scale(1.05);
}
.ui-checkbox input:checked ~ .ui-checkbox__mark::after {
    content: '';
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
    animation: checkIn 0.3s forwards cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes checkIn {
    0% { opacity: 0; transform: rotate(45deg) scale(0); }
    100% { opacity: 1; transform: rotate(45deg) scale(1); }
}

/* ========== CHIPS / TABS ========== */
.ui-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    background: var(--surface-secondary);
    border: 1px solid var(--border-soft);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--dur-base) var(--ease-standard);
    white-space: nowrap;
    will-change: transform, background;
    -webkit-user-select: none;
    user-select: none;
}
.ui-chip:hover {
    background: var(--surface-elevated);
    border-color: var(--border-strong);
    transform: scale(1.04);
    box-shadow: 0 6px 16px -4px rgba(0,0,0,0.3);
}
.ui-chip:active {
    transform: scale(0.97);
}
.ui-chip.is-active {
    background: var(--grad-brand);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 18px -4px rgba(43, 102, 232, 0.5);
}

.ui-chip__count {
    background: rgba(0,0,0,0.2);
    padding: 1px 7px;
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: var(--fw-bold);
}
.ui-chip:not(.is-active) .ui-chip__count { background: var(--surface-raised); color: var(--text-muted); }

/* Pill tabs — overflow-visible to prevent hover clipping */
.ui-tabs {
    display: inline-flex;
    padding: 4px;
    background: var(--surface-secondary);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    gap: 2px;
    position: relative;
    overflow: visible;
}
.ui-tabs--compact-reference { padding: 3px; }
.ui-tabs__item {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-muted);
    transition: all var(--dur-base) var(--ease-standard);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
    z-index: 1;
    will-change: color, background;
}
.ui-tabs__item:hover:not(.is-active) {
    color: var(--text-strong);
    background: var(--surface-elevated);
    transform: translateY(-1px);
}
.ui-tabs__item.is-active {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: 0 4px 12px -2px rgba(43, 102, 232, 0.5);
    z-index: 2;
}
.ui-tabs__item.is-active .ui-chip__count {
    background: rgba(255,255,255,0.2);
    color: #fff;
}
.ui-tabs__item:not(.is-active) .ui-chip__count {
    background: var(--surface-raised);
    color: var(--text-muted);
}

/* ========== TOOLBAR ========== */
.ui-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-5);
}
.ui-toolbar__left { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.ui-toolbar__right { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; flex-wrap: wrap; }

/* ========== TOAST ========== */
.ui-toast-region { position: fixed; top: var(--space-5); right: var(--space-5); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-3); pointer-events: none; }
.ui-toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--surface-elevated);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 320px;
    max-width: 420px;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}
.ui-toast::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--info); }
.ui-toast--success::before { background: var(--success); }
.ui-toast--warning::before { background: var(--warning); }
.ui-toast--danger::before { background: var(--danger); }
.ui-toast__icon { font-size: 22px; color: var(--info); flex-shrink: 0; }
.ui-toast--success .ui-toast__icon { color: var(--success); }
.ui-toast--warning .ui-toast__icon { color: var(--warning); }
.ui-toast--danger .ui-toast__icon { color: var(--danger); }
.ui-toast__title { font-weight: var(--fw-semibold); color: var(--text-strong); font-size: var(--fs-sm); }
.ui-toast__msg { color: var(--text-muted); font-size: var(--fs-xs); margin-top: 2px; }

@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(120%); opacity: 0; }
}
.ui-toast { animation: slideInRight 400ms var(--ease-emphasized) both; }

/* ========== EMPTY STATE ========== */
.ui-empty {
    padding: var(--space-10) var(--space-5);
    text-align: center;
    color: var(--text-muted);
}
.ui-empty__icon { font-size: 48px; color: var(--text-subtle); margin-bottom: var(--space-4); }
.ui-empty__title { font-size: var(--fs-lg); font-weight: var(--fw-semibold); color: var(--text-strong); margin-bottom: var(--space-2); }
.ui-empty__msg { font-size: var(--fs-sm); color: var(--text-muted); margin-bottom: var(--space-5); max-width: 480px; margin-left: auto; margin-right: auto; }

/* ========== PAGER ========== */
.ui-pager {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    justify-content: center;
    padding: var(--space-5);
    border-top: 1px solid var(--border-subtle);
}
.ui-pager__btn, .ui-pager__page {
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--surface-secondary);
    border: 1px solid var(--border-soft);
    color: var(--text-muted);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--dur-base);
    padding: 0 10px;
}
.ui-pager__btn:hover, .ui-pager__page:hover { background: var(--surface-elevated); color: var(--text-strong); }
.ui-pager__page.is-active { background: var(--grad-brand); color: #fff; border-color: transparent; box-shadow: 0 4px 12px -2px rgba(43,102,232,0.5); }
.ui-pager__btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ========== BREADCRUMB ========== */
.ui-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}
.ui-breadcrumb a { color: var(--text-muted); transition: color var(--dur-base); }
.ui-breadcrumb a:hover { color: var(--brand-bright); }
.ui-breadcrumb .sep { color: var(--text-subtle); }
.ui-breadcrumb__current { color: var(--text-primary); font-weight: var(--fw-medium); }

/* ========== PAGE HEAD ========== */
.ui-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}
.ui-page-head__title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    color: var(--text-strong);
    background: var(--grad-text-strong);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}
.ui-page-head__sub { font-size: var(--fs-sm); color: var(--text-muted); margin-top: 4px; }
.ui-page-head__actions { display: flex; gap: var(--space-2); }

/* ========== SIDEBAR TOGGLE (mobile) ========== */
.ui-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7, 10, 19, 0.7);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: var(--z-sidebar-overlay);
    opacity: 0;
    transition: opacity var(--dur-smooth);
}
.ui-sidebar-overlay.is-open { display: block; opacity: 1; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .ui-kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .ui-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-xl); }
    .ui-sidebar.is-open { transform: translateX(0); }
    .ui-main { margin-left: 0; }
    .ui-content { padding: var(--space-5) var(--space-4); }
    .ui-tabs {
        max-width: 100%;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .ui-tabs::-webkit-scrollbar { display: none; }
}

@media (max-width: 640px) {
    .ui-kpi-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .ui-kpi {
        padding: var(--space-5);
        min-height: 0;
    }
    .ui-kpi__value { font-size: 2rem; }
    .ui-content { padding: var(--space-5) var(--space-4); }
    .ui-topbar { padding: 0 var(--space-4); gap: var(--space-2); }
    .ui-page-head__title { font-size: var(--fs-xl); }
    .ui-page-head { margin-bottom: var(--space-4); }
    .ui-btn--lg { min-height: 48px; padding: 12px var(--space-5); }
    .ui-search { min-height: 40px; }
}