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

/* ── Design Tokens ──────────────────────────────────── */
:root {
    /* Primary palette */
    --color-primary-950: #0D0620;
    --color-primary-900: #160B35;
    --color-primary-800: #231055;
    --color-primary-700: #3A1F8C;
    --color-primary-600: #5235C8;
    --color-primary-500: #6C4EE0;
    --color-primary-400: #8B72F0;
    --color-primary-300: #AE9CF5;
    --color-primary-200: #CFC3FA;
    --color-primary-100: #EDE8FD;
    --color-primary-50:  #F7F4FF;

    /* Blue accent */
    --color-blue-900: #07112E;
    --color-blue-700: #1A3FA0;
    --color-blue-500: #2B6BE0;
    --color-blue-400: #4D8EF5;
    --color-blue-200: #BDD3FC;
    --color-blue-100: #E8F0FE;

    /* Semantic */
    --color-success-500: #22C55E;
    --color-success-100: #DCFCE7;
    --color-warning-500: #F59E0B;
    --color-warning-100: #FEF3C7;
    --color-error-500:   #EF4444;
    --color-error-100:   #FEE2E2;
    --color-info-500:    #2B6BE0;
    --color-info-100:    #E8F0FE;

    /* Neutrals */
    --color-neutral-950: #0A0A0F;
    --color-neutral-800: #1E1E2E;
    --color-neutral-700: #2D2D42;
    --color-neutral-600: #4A4A6A;
    --color-neutral-400: #8888AA;
    --color-neutral-300: #BBBBCC;
    --color-neutral-200: #E2E2EE;
    --color-neutral-100: #F2F2F8;
    --color-neutral-50:  #FAFAFD;
    --color-white:       #FFFFFF;

    /* Gradients */
    --gradient-brand:      linear-gradient(135deg, #5235C8 0%, #6C4EE0 50%, #2B6BE0 100%);
    --gradient-brand-soft: linear-gradient(135deg, #8B72F0 0%, #4D8EF5 100%);
    --gradient-hero:       linear-gradient(160deg, #0D0620 0%, #231055 50%, #07112E 100%);
    --gradient-card-glow:  radial-gradient(ellipse at top, rgba(108,78,224,0.15) 0%, transparent 70%);
    --gradient-cta:        linear-gradient(135deg, #6C4EE0 0%, #2B6BE0 100%);
    --gradient-shimmer:    linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.08) 50%, transparent 100%);

    /* Shadows */
    --shadow-xs:      0 1px 2px rgba(13,6,32,0.06);
    --shadow-sm:      0 2px 8px rgba(13,6,32,0.08), 0 1px 2px rgba(13,6,32,0.06);
    --shadow-md:      0 4px 16px rgba(13,6,32,0.12), 0 2px 4px rgba(13,6,32,0.08);
    --shadow-lg:      0 8px 32px rgba(13,6,32,0.18), 0 4px 8px rgba(13,6,32,0.10);
    --shadow-xl:      0 16px 48px rgba(13,6,32,0.22), 0 8px 16px rgba(13,6,32,0.12);
    --shadow-2xl:     0 24px 64px rgba(13,6,32,0.32);
    --shadow-glow-sm: 0 4px 20px rgba(108,78,224,0.25);
    --shadow-glow-md: 0 8px 32px rgba(108,78,224,0.35);
    --shadow-glow-lg: 0 12px 48px rgba(108,78,224,0.45);

    /* Typography */
    --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    /* Spacing (base-4) */
    --space-0:  0px;
    --space-1:  4px;
    --space-2:  8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-8:  32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;

    /* Border radius */
    --radius-none: 0px;
    --radius-xs:   4px;
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   16px;
    --radius-xl:   24px;
    --radius-2xl:  32px;
    --radius-full: 9999px;

    /* Motion */
    --duration-instant:  50ms;
    --duration-fast:     100ms;
    --duration-normal:   200ms;
    --duration-moderate: 300ms;
    --duration-slow:     500ms;
    --ease-linear:  linear;
    --ease-in:      cubic-bezier(0.4, 0, 1, 1);
    --ease-out:     cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth:  cubic-bezier(0.25, 0.1, 0.25, 1);

    /* Z-index scale */
    --z-base:     0;
    --z-raised:   10;
    --z-dropdown: 100;
    --z-sticky:   200;
    --z-modal:    300;
    --z-toast:    400;
    --z-tooltip:  500;

    /* Semantic surfaces — light mode */
    --bg-page:        var(--color-neutral-50);
    --bg-surface:     var(--color-white);
    --bg-elevated:    var(--color-neutral-100);
    --bg-overlay:     rgba(255,255,255,0.92);
    --text-primary:   var(--color-neutral-950);
    --text-secondary: var(--color-neutral-600);
    --text-disabled:  var(--color-neutral-300);
    --border-default: var(--color-neutral-200);
    --border-strong:  var(--color-neutral-300);
}

/* Dark mode overrides */
[data-theme="dark"] {
    --bg-page:        var(--color-primary-950);
    --bg-surface:     var(--color-primary-900);
    --bg-elevated:    var(--color-primary-800);
    --bg-overlay:     rgba(13,6,32,0.9);
    --text-primary:   var(--color-neutral-50);
    --text-secondary: var(--color-neutral-400);
    --text-disabled:  var(--color-neutral-700);
    --border-default: var(--color-primary-800);
    --border-strong:  var(--color-primary-700);
}

/* ── Base ───────────────────────────────────────────── */
html { font-size: 16px; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Page layouts ───────────────────────────────────── */
body.page-auth {
    background: linear-gradient(160deg, #F0ECFF 0%, #EBE6FD 45%, #E6EEFF 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

body.page-auth::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse 70% 40% at 50% -10%, rgba(108,78,224,0.07) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Card ───────────────────────────────────────────── */
.card {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-10) var(--space-8);
}

.card--elevated {
    box-shadow: var(--shadow-xl);
}

.card--outlined {
    box-shadow: none;
    border-color: var(--border-strong);
}

.card-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.card-header--left {
    text-align: left;
}

.card-footer {
    margin-top: var(--space-6);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.card-footer a {
    color: var(--color-primary-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--duration-fast) var(--ease-out);
}

.card-footer a:hover { color: var(--color-primary-700); }

.card-footer a:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* ── Brand mark ─────────────────────────────────────── */
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-cta);
    box-shadow: var(--shadow-glow-sm);
    margin-bottom: var(--space-5);
    color: var(--color-white);
}

/* ── Typography ─────────────────────────────────────── */
.heading-display-sm {
    font-family: var(--font-display);
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.heading-display-md {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.text-muted {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Form ───────────────────────────────────────────── */
.form { display: flex; flex-direction: column; gap: var(--space-5); }

.field { display: flex; flex-direction: column; gap: 6px; }

.field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.field-label .required {
    color: var(--color-error-500);
    margin-left: 2px;
}

.input-wrapper { position: relative; }

.field-input {
    width: 100%;
    height: 44px;
    padding: var(--space-3) var(--space-4) var(--space-3) 42px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    transition:
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out);
    outline: none;
}

.field-input--no-icon {
    padding-left: var(--space-4);
}

.field-input::placeholder { color: var(--text-disabled); }

.field-input:focus {
    border-color: var(--color-primary-500);
    border-width: 2px;
    box-shadow: var(--shadow-glow-sm);
}

.field-input.is-error {
    border-color: var(--color-error-500);
    border-width: 2px;
}

.input-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    display: flex;
    transition: color var(--duration-fast) var(--ease-out);
}

.input-wrapper:focus-within .input-icon {
    color: var(--color-primary-400);
}

.field-error {
    font-size: 0.75rem;
    color: var(--color-error-500);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.field-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-divider {
    height: 1px;
    background: var(--border-default);
    margin: var(--space-1) 0;
}

.divider-or {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.divider-or::before,
.divider-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-default);
}

.btn--google {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    transition:
        background-color var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out);
}

.btn--google:hover {
    background: var(--bg-surface);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.5;
}

.alert--error {
    background: var(--color-error-100);
    color: var(--color-error-500);
    border: 1px solid var(--color-error-500);
}

.alert--info {
    background: var(--color-info-100);
    color: var(--color-info-500);
    border: 1px solid var(--color-info-500);
}

.alert--success {
    background: var(--color-success-100);
    color: var(--color-success-500);
    border: 1px solid var(--color-success-500);
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition:
        filter var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        background-color var(--duration-fast) var(--ease-out),
        transform var(--duration-normal) var(--ease-spring);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* Sizes */
.btn--xs { height: 28px;  padding: 0 10px; font-size: 0.75rem; }
.btn--sm { height: 36px;  padding: 0 14px; font-size: 0.875rem; }
.btn--md { height: 44px;  padding: 0 var(--space-5); font-size: 0.9375rem; }
.btn--lg { height: 52px;  padding: 0 var(--space-7); font-size: 1rem; }
.btn--xl { height: 60px;  padding: 0 var(--space-8); font-size: 1.125rem; }
.btn--full { width: 100%; }

/* Variants */
.btn--primary {
    background: var(--gradient-cta);
    color: var(--color-white);
}

.btn--primary:hover {
    filter: brightness(1.1);
    box-shadow: var(--shadow-glow-md);
    transform: translateY(-1px);
}

.btn--primary:active {
    transform: translateY(0);
    filter: brightness(1.0);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary-500);
    border: 2px solid var(--color-primary-500);
}

.btn--secondary:hover {
    background: var(--color-primary-100);
}

.btn--ghost {
    background: transparent;
    color: var(--color-neutral-600);
}

.btn--ghost:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn--destructive {
    background: var(--color-error-500);
    color: var(--color-white);
}

.btn--destructive:hover {
    filter: brightness(1.1);
}

.btn--outline-neutral {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn--outline-neutral:hover {
    background: var(--bg-elevated);
    border-color: var(--border-strong);
}

/* ── Badge / Tag ────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0 var(--space-2);
}

.badge--sm { height: 20px; }
.badge--md { height: 24px; }
.badge--lg { height: 28px; }

.badge--success { background: var(--color-success-100); color: var(--color-success-500); }
.badge--warning { background: var(--color-warning-100); color: var(--color-warning-500); }
.badge--error   { background: var(--color-error-100);   color: var(--color-error-500); }
.badge--info    { background: var(--color-info-100);     color: var(--color-info-500); }
.badge--primary { background: var(--color-primary-100);  color: var(--color-primary-600); }
.badge--neutral { background: var(--color-neutral-100);  color: var(--color-neutral-600); }

/* ── Accessibility ──────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ── Language switcher ───────────────────────────────── */
.lang-switcher {
    position: fixed;
    bottom: var(--space-5);
    left: var(--space-5);
    z-index: var(--z-toast);
    display: flex;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-default);
    background: var(--bg-surface);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.lang-switcher__option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    text-decoration: none;
    transition:
        color var(--duration-fast) var(--ease-out),
        background-color var(--duration-fast) var(--ease-out);
}

.lang-switcher__option:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.lang-switcher__option.is-active {
    color: var(--color-primary-600);
    background: var(--color-primary-100);
}

/* ── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ── App shell ──────────────────────────────────────── */
body.page-app {
    background: var(--bg-page);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Top bar ─────────────────────────────────────────── */
.topbar {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0 var(--space-6);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    box-shadow: var(--shadow-xs);
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
    flex-shrink: 0;
}

.topbar-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--gradient-cta);
    color: var(--color-white);
    flex-shrink: 0;
    box-shadow: var(--shadow-glow-sm);
}

.topbar-brand-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.topbar-context {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.topbar-context-sep {
    color: var(--border-strong);
    font-weight: 300;
    font-size: 1.25rem;
    line-height: 1;
    user-select: none;
}

.topbar-org-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Nav tabs ────────────────────────────────────────── */
.nav-tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-6);
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-surface);
}

.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition:
        color var(--duration-fast) var(--ease-out),
        background-color var(--duration-fast) var(--ease-out);
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.nav-tab.is-active {
    color: var(--color-primary-600);
    background: var(--color-primary-100);
    font-weight: 600;
}

/* ── Dashboard content ───────────────────────────────── */
.dashboard-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-placeholder {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: -0.02em;
}

/* ── Onboarding ──────────────────────────────────────── */
.onboarding-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: var(--space-8);
}

.onboarding-step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    border: 2px solid var(--border-default);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.onboarding-step.is-active {
    background: var(--gradient-cta);
    border-color: transparent;
    color: var(--color-white);
    box-shadow: var(--shadow-glow-sm);
}

.onboarding-step.is-done {
    background: var(--color-success-500);
    border-color: transparent;
    color: var(--color-white);
}

.onboarding-step-line {
    flex: 1;
    max-width: 64px;
    height: 2px;
    background: var(--border-default);
}

.seller-email-box {
    background: var(--color-primary-50);
    border: 2px solid var(--color-primary-200);
    border-radius: var(--radius-md);
    padding: var(--space-5) var(--space-6);
    text-align: center;
    margin-bottom: var(--space-6);
}

.seller-email-box__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary-500);
    margin-bottom: var(--space-2);
}

.seller-email-box__address {
    font-family: var(--font-mono);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary-700);
    word-break: break-all;
}

.setup-instructions {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    counter-reset: none;
}

.setup-instructions li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.9375rem;
    color: var(--text-primary);
    line-height: 1.55;
}

.setup-instructions__step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-primary-100);
    color: var(--color-primary-600);
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 1px;
}

/* ── Dashboard page layout ───────────────────────────── */
.dashboard-page {
    flex: 1;
    padding: var(--space-6);
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

/* ── Dashboard toolbar ───────────────────────────────── */
.dashboard-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    flex-wrap: wrap;
}

.dashboard-toolbar-start {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.dashboard-toolbar-end {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.toolbar-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.toolbar-select {
    height: 36px;
    padding: 0 var(--space-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
    transition: border-color var(--duration-fast) var(--ease-out);
}

.toolbar-select:focus { border-color: var(--color-primary-500); }

/* ── Panel ───────────────────────────────────────────── */
.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-6);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-elevated);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.panel-body { padding: var(--space-6); }

/* ── Stat cards ──────────────────────────────────────── */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-5) var(--space-6);
    text-align: center;
}

.stat-card__label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.stat-card__value {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--space-2);
}

.stat-card__sub {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ── Alert callout ───────────────────────────────────── */
.alert-callout {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-error-100);
    border: 1px solid rgba(239,68,68,0.4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-error-500);
    margin-bottom: var(--space-5);
}

/* ── Rate bars ───────────────────────────────────────── */
.rate-bars-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.rate-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.rate-bar-row {
    display: grid;
    grid-template-columns: 130px 1fr 52px;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.875rem;
}

.rate-bar-label {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rate-bar-track {
    height: 14px;
    background: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.rate-bar-fill {
    height: 100%;
    background: var(--gradient-cta);
    border-radius: var(--radius-full);
}

.rate-bar-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

/* ── Filter row ──────────────────────────────────────── */
.filter-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.filter-row label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-input {
    height: 36px;
    padding: 0 var(--space-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--duration-fast) var(--ease-out);
}

.filter-input:focus { border-color: var(--color-primary-500); }
.filter-input--wide   { width: 200px; }
.filter-input--narrow { width: 90px; }

/* ── Data table ──────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table thead th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-bottom: 2px solid var(--border-default);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.data-table thead th:hover { color: var(--color-primary-600); background: var(--color-primary-50); }

.data-table thead th.is-sorted { color: var(--color-primary-600); }

.sort-icon { margin-left: var(--space-1); opacity: 0.4; font-size: 0.7rem; }

.data-table thead th.is-sorted .sort-icon { opacity: 1; }

.data-table tbody tr {
    border-bottom: 1px solid var(--border-default);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out);
}

.data-table tbody tr:last-child { border-bottom: none; }

.data-table tbody tr:hover { background: var(--color-primary-50); }

.data-table td {
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table td:first-child { font-weight: 600; }
.cell-mono { font-family: var(--font-mono); font-size: 0.8125rem; }
.cell-muted { color: var(--text-secondary); }

/* ── Insight list ────────────────────────────────────── */
.insight-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.insight-list li {
    font-size: 0.9375rem;
    color: var(--text-primary);
    padding-left: var(--space-5);
    position: relative;
    line-height: 1.5;
}

.insight-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary-500);
    font-weight: 700;
    font-size: 1.1em;
}

.insight-recommendation {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-warning-100);
    border: 1px solid rgba(245,158,11,0.4);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--color-neutral-800);
    line-height: 1.6;
}

.insight-recommendation-icon { flex-shrink: 0; font-size: 1.1em; margin-top: 1px; }

.table-tip {
    margin-top: var(--space-4);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ── A-to-Z Dashboard ────────────────────────────────── */

/* In-page sub-tabs */
.a2z-subtabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-6);
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-elevated);
}

.a2z-subtab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition:
        color var(--duration-fast) var(--ease-out),
        background-color var(--duration-fast) var(--ease-out);
}

.a2z-subtab:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.a2z-subtab.is-active {
    color: var(--color-primary-600);
    background: var(--color-primary-100);
    font-weight: 600;
}

/* Sub-pages */
.a2z-subpage { display: none; }
.a2z-subpage.is-active { display: block; }

/* Alert banner */
.a2z-alert-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-5);
    line-height: 1.5;
}

.a2z-alert-banner--danger {
    background: var(--color-error-100);
    border: 1px solid rgba(239,68,68,0.35);
    color: #991b1b;
}

.a2z-alert-banner--warning {
    background: var(--color-warning-100);
    border: 1px solid rgba(245,158,11,0.35);
    color: #92400e;
}

.a2z-alert-banner--info {
    background: var(--color-info-100);
    border: 1px solid rgba(43,107,224,0.35);
    color: #1e40af;
}

/* Stat grid */
.a2z-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.a2z-stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-5) var(--space-6);
    box-shadow: var(--shadow-sm);
}

.a2z-stat-card--highlight {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
    border-color: var(--color-primary-200);
}

.a2z-stat-card--alert {
    background: var(--color-error-100);
    border-color: rgba(239,68,68,0.3);
}

.a2z-stat-card--good {
    background: var(--color-success-100);
    border-color: rgba(34,197,94,0.3);
}

.a2z-stat-card__label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-2);
}

.a2z-stat-card__value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--space-2);
}

.a2z-stat-card--highlight .a2z-stat-card__value { color: var(--color-primary-600); }
.a2z-stat-card--alert .a2z-stat-card__value     { color: var(--color-error-500); }
.a2z-stat-card--good .a2z-stat-card__value      { color: #15803d; }

.a2z-stat-card__value--loss { color: var(--color-error-500); }
.a2z-stat-card__value--sm   { font-size: 1.25rem; }

.a2z-stat-card__sub {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* N/A placeholder badge */
.a2z-na-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-xs);
    padding: 1px 6px;
    cursor: help;
    text-decoration: underline dotted;
    font-family: var(--font-body);
}

.a2z-na-inline {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-style: italic;
    cursor: help;
    text-decoration: underline dotted;
}

/* Two-column grid */
.a2z-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
}

/* Chart */
.a2z-chart-container {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.a2z-chart-container svg {
    width: 100%;
    height: 100%;
}

.a2z-chart-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    padding: 0 2px;
}

.a2z-chart-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.a2z-empty-chart {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Win rate ring */
.a2z-win-rate-container {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-2) 0;
}

.a2z-ring-chart {
    position: relative;
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.a2z-ring-chart svg {
    width: 80px;
    height: 80px;
}

.a2z-ring-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-500);
}

.a2z-win-rate-legend { flex: 1; }

.a2z-win-rate-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    font-size: 0.8125rem;
}

.a2z-win-rate-label { color: var(--text-secondary); }

.a2z-win-rate-val { font-weight: 700; }

/* Horizontal bar chart */
.a2z-bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.a2z-bar-row {
    display: grid;
    grid-template-columns: 140px 1fr 44px;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8125rem;
}

.a2z-bar-label {
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.a2z-bar-track {
    height: 8px;
    background: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.a2z-bar-fill {
    height: 100%;
    background: var(--color-primary-500);
    border-radius: var(--radius-full);
    transition: width 0.6s var(--ease-out);
}

.a2z-bar-pct {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

/* Mini bar in table cell */
.a2z-mini-bar-cell {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.a2z-mini-bar {
    width: 56px;
    height: 6px;
    background: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.a2z-mini-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-primary-500);
}

/* Deadline styling */
.a2z-deadline { font-size: 0.875rem; font-weight: 500; }
.deadline-urgent { color: var(--color-error-500); font-weight: 700; }
.deadline-warn   { color: var(--color-warning-500); font-weight: 600; }
.deadline-ok     { color: var(--text-secondary); }

/* Semantic text colors */
.text-success { color: #15803d; }
.text-warning { color: var(--color-warning-500); }
.text-error   { color: var(--color-error-500); }

/* Empty state */
.a2z-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-16) var(--space-8);
    color: var(--text-secondary);
    text-align: center;
}

.a2z-empty-state p {
    font-size: 0.9375rem;
    margin: 0;
}

/* Coming soon placeholder */
.a2z-coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-20) var(--space-8);
    text-align: center;
    color: var(--text-secondary);
}

.a2z-coming-soon__icon {
    opacity: 0.4;
    display: flex;
}

.a2z-coming-soon__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.a2z-coming-soon__body {
    font-size: 0.9375rem;
    max-width: 440px;
    line-height: 1.6;
}

/* Marketplace trend chart legend */
.a2z-mp-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-5);
    margin-top: var(--space-3);
}

.a2z-mp-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.a2z-mp-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Key Insights */
.a2z-insights {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.a2z-insight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.a2z-insight-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary-500);
    margin-top: 5px;
    flex-shrink: 0;
}

/* Trend indicators */
.trend-up   { color: var(--color-error-500);   font-weight: 700; }
.trend-down { color: var(--color-success-500);  font-weight: 700; }
.trend-flat { color: var(--text-secondary); }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 480px) {
    .card { padding: var(--space-8) var(--space-6); }
    .heading-display-sm { font-size: 1.5rem; }
    .topbar { padding: 0 var(--space-4); }
    .nav-tabs { padding: var(--space-3) var(--space-4); overflow-x: auto; flex-wrap: nowrap; }
    .stat-cards { grid-template-columns: 1fr; }
    .dashboard-page { padding: var(--space-4); }
    .rate-bar-row { grid-template-columns: 90px 1fr 44px; }
    .a2z-two-col { grid-template-columns: 1fr; }
    .a2z-stat-grid { grid-template-columns: repeat(2, 1fr); }
    .a2z-subtabs { padding: var(--space-2) var(--space-4); overflow-x: auto; flex-wrap: nowrap; }
    .a2z-bar-row { grid-template-columns: 100px 1fr 40px; }
}