/* ============================================================
   DESIGN TOKENS — dark e light
   ============================================================ */
:root {
    --transition: 0.35s cubic-bezier(.4, 0, .2, 1);
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, .18);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #101010;
    --bg-card: #141414;
    --bg-input: #1a1a1a;
    --border: rgba(255, 255, 255, .08);
    --border-hover: rgba(99, 102, 241, .45);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #606070;
    --shadow: 0 8px 32px rgba(0, 0, 0, .55);
    --glass-bg: rgba(20, 20, 20, .75);
    --glass-border: rgba(255, 255, 255, .06);
    --chart-grid: rgba(255, 255, 255, .06);
    --chart-tick: #606070;
}

[data-theme="light"] {
    --bg-primary: #f5f5f7;
    --bg-secondary: #eeeef0;
    --bg-card: #ffffff;
    --bg-input: #f0f0f4;
    --border: rgba(0, 0, 0, .09);
    --border-hover: rgba(99, 102, 241, .5);
    --text-primary: #1e1e2f;
    --text-secondary: #4a4a6a;
    --text-muted: #9090aa;
    --shadow: 0 8px 28px rgba(0, 0, 0, .10);
    --glass-bg: rgba(255, 255, 255, .82);
    --glass-border: rgba(0, 0, 0, .06);
    --chart-grid: rgba(0, 0, 0, .06);
    --chart-tick: #9090aa;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

/* LAYOUT */
.shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 64px;
}

/* HEADER */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 0 20px;
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--text-primary);
}

.brand-tagline {
    font-size: .72rem;
    color: var(--text-secondary);
    letter-spacing: .06em;
    text-transform: uppercase;
    font-weight: 500;
}

/* TOGGLE */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 6px 14px 6px 10px;
    transition: background var(--transition), border-color var(--transition), box-shadow .2s;
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 12px var(--accent-glow);
}

.theme-toggle .label {
    font-size: .78rem;
    font-weight: 600;
    color: var(--text-secondary);
    user-select: none;
}

.toggle-track {
    width: 36px;
    height: 20px;
    border-radius: 100px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    position: relative;
    transition: background var(--transition);
}

.toggle-track.on {
    background: var(--accent);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    transition: transform .28s cubic-bezier(.4, 0, .2, 1);
    box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
}

.toggle-thumb.on {
    transform: translateX(16px);
}

/* AVISO */
.data-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 24px 0 0;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, .08);
    border: 1px solid rgba(99, 102, 241, .2);
    font-size: .8rem;
    color: var(--accent-light);
}

/* KPI CARDS */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 28px;
}

@media (max-width: 560px) {
    .kpi-row {
        grid-template-columns: 1fr;
    }
}

.kpi-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 26px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: background var(--transition), border-color var(--transition),
        box-shadow var(--transition), transform .2s;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%);
    opacity: 0;
    transition: opacity .3s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, .35);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: var(--accent-glow);
    border: 1px solid rgba(99, 102, 241, .25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-light);
    flex-shrink: 0;
}

.kpi-value {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -.03em;
    line-height: 1;
    color: var(--text-primary);
}

.kpi-label {
    font-size: .78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-top: 6px;
}

/* SEARCH */
.search-section {
    margin-top: 32px;
}

.search-section-title {
    font-family: var(--font-display);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.search-wrapper {
    position: relative;
    max-width: 560px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    z-index: 1;
}

#search-input {
    width: 100%;
    padding: 14px 52px 14px 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--text-primary);
    outline: none;
    transition: background var(--transition), border-color .2s, box-shadow .2s;
}

#search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#search-input::placeholder {
    color: var(--text-muted);
}

.clear-btn {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    display: none;
}

.clear-btn.visible {
    display: flex;
}

.suggestions-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    z-index: 100;
    overflow: hidden;
    display: none;
}

.suggestions-dropdown.open {
    display: block;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background .15s;
}

.suggestion-item:hover,
.suggestion-item.active {
    background: var(--accent-glow);
}

.suggestion-item .s-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--accent-light);
}

.suggestion-item .s-name {
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.suggestion-item .s-cat {
    font-size: .75rem;
    color: var(--text-secondary);
}

.suggestion-item em {
    color: var(--accent-light);
    font-style: normal;
    font-weight: 600;
}

.no-suggestions {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: .85rem;
}

/* QUICK PICKS */
.quick-picks {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.quick-chip {
    padding: 7px 16px;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: .8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background .2s, border-color .2s;
}

.quick-chip:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent-light);
}

/* CHART PANEL */
.chart-panel {
    margin-top: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px 28px 22px;
    box-shadow: var(--shadow);
    transition: background var(--transition), border-color var(--transition);
    display: none;
}

.chart-panel.visible {
    display: block;
    animation: fadeInUp .35s ease both;
}

.chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.chart-product-name {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--text-primary);
}

.chart-product-cat {
    display: inline-block;
    margin-top: 5px;
    font-size: .73rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--accent-light);
    background: var(--accent-glow);
    border: 1px solid rgba(99, 102, 241, .2);
    border-radius: 100px;
    padding: 3px 10px;
}

.chart-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.chart-stat {
    text-align: right;
}

.chart-stat-label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
}

.chart-stat-value {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chart-stat-value.positive {
    color: #4ade80;
}

.chart-stat-value.negative {
    color: #f87171;
}

.chart-canvas-wrapper {
    position: relative;
    height: 300px;
}

@media (max-width: 600px) {
    .chart-canvas-wrapper {
        height: 220px;
    }

    .chart-stats {
        justify-content: flex-start;
    }

    .chart-stat {
        text-align: left;
    }
}

/* EMPTY STATE */
.empty-state {
    margin-top: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 56px 24px;
    text-align: center;
    transition: background var(--transition), border-color var(--transition);
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-state-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state-sub {
    font-size: .85rem;
    color: var(--text-muted);
}

/* FOOTER */
footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

footer span {
    font-size: .75rem;
    color: var(--text-muted);
}

footer a {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
}

/* ANIMAÇÕES */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.anim {
    animation: fadeInUp .4s ease both;
}

.anim-d1 {
    animation-delay: .05s;
}

.anim-d2 {
    animation-delay: .1s;
}

.anim-d3 {
    animation-delay: .18s;
}

.anim-d4 {
    animation-delay: .26s;
}