/* ===== Apple-Inspired Minimal Design ===== */
:root {
    /* Near-white backgrounds */
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;

    /* Near-black text */
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-muted: #86868b;

    /* Borders - very subtle */
    --border-color: rgba(0, 0, 0, 0.06);
    --border-color-strong: rgba(0, 0, 0, 0.1);

    /* Muted accent - subtle blue */
    --accent: #0071e3;
    --accent-light: rgba(0, 113, 227, 0.08);

    /* Up/Down - muted, not neon */
    --color-up: #34a853;
    --color-up-bg: rgba(52, 168, 83, 0.08);
    --color-down: #d93025;
    --color-down-bg: rgba(217, 48, 37, 0.08);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Shadows - minimal */
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    -webkit-font-smoothing: antialiased;
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 48px 80px;
}

/* ===== Header ===== */
.header {
    margin-bottom: 40px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.logo-icon {
    display: none;
}

.logo h1 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.logo .subtitle {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 4px;
}

.header-stats {
    display: flex;
    gap: 40px;
}

.stat-pill {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    background: none;
    border: none;
    padding: 0;
}

.stat-label {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 2px;
    color: var(--text-primary);
}

.stat-pill.positive .stat-value {
    color: var(--color-up);
}

.stat-pill.negative .stat-value {
    color: var(--color-down);
}

.stat-percent {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 2px;
}

.stat-pill.positive .stat-percent {
    color: var(--color-up);
}

.stat-pill.negative .stat-percent {
    color: var(--color-down);
}

/* ===== Controls ===== */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group,
.basket-filters {
    display: flex;
    gap: 4px;
}

.filter-btn,
.basket-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 400;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 980px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.basket-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.04);
}

.filter-btn.active {
    background: var(--text-primary);
    color: white;
}

.basket-btn.active {
    background: var(--accent-light);
    color: var(--accent);
}

.basket-btn.space.active,
.basket-btn.drone.active,
.basket-btn.china.active,
.basket-btn.radio.active {
    background: var(--accent-light);
    color: var(--accent);
}

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

#lastUpdate {
    font-size: 12px;
    color: var(--text-muted);
}

.refresh-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 400;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color-strong);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.refresh-btn:hover {
    background: rgba(0, 0, 0, 0.02);
}

/* ===== Summary Cards ===== */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 40px;
}

.summary-card {
    display: flex;
    flex-direction: column;
    padding: 24px 28px;
    background: var(--bg-card);
    border: none;
}

.summary-card:hover {
    background: var(--bg-card-hover);
}

.summary-card.best,
.summary-card.worst,
.summary-card.avg {
    border-left: none;
}

.summary-icon {
    display: none;
}

.summary-content {
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
}

.summary-ticker {
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 4px 0;
    color: var(--text-primary);
}

.summary-value {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-secondary);
}

.summary-value.positive {
    color: var(--color-up);
}

.summary-value.negative {
    color: var(--color-down);
}

/* ===== Stock Grid ===== */
.stocks-container {
    margin-top: 8px;
}

.stocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 20px;
}

/* ===== Stock Card ===== */
.stock-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px 32px;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow-card);
}

.stock-card::before {
    display: none;
}

.stock-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-1px);
}

.stock-card.positive,
.stock-card.negative {
    border-color: var(--border-color);
}

.stock-card.positive:hover,
.stock-card.negative:hover {
    box-shadow: var(--shadow-card-hover);
}

.stock-card.closed {
    opacity: 0.6;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.ticker-section {
    display: flex;
    flex-direction: column;
}

.ticker {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.basket-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 4px;
    margin-top: 8px;
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-secondary);
}

.basket-tag.space,
.basket-tag.drone,
.basket-tag.china,
.basket-tag.radio,
.basket-tag.none {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-secondary);
}

.price-section {
    text-align: right;
    padding-top: 8px;
}

.current-price {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.price-change {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-top: 4px;
    font-size: 15px;
    font-weight: 500;
}

.price-change.positive {
    color: var(--color-up);
}

.price-change.negative {
    color: var(--color-down);
}

.price-change .arrow {
    font-size: 10px;
}

.card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 48px;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 4px;
}

.info-value {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
}

.card-footer {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.tp-levels {
    display: flex;
    gap: 12px;
}

.tp-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 10px;
    border: none;
}

.tp-item.hit {
    background: var(--color-up-bg);
}

.tp-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.tp-price {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.tp-item.hit .tp-price {
    color: var(--color-up);
}

.tp-profit {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.tp-item.hit .tp-profit {
    color: var(--color-up);
}

.status-badge {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 10px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.02em;
}

.status-badge.open {
    background: var(--color-up-bg);
    color: var(--color-up);
}

.status-badge.closed {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-muted);
}

/* ===== Loading ===== */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f5f5f7;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

#loadingOverlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #0071e3, #40a9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.loader-text {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: #86868b;
    letter-spacing: 0.5px;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.3s forwards;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    margin: 20px auto 0;
    border: 3px solid rgba(0, 113, 227, 0.1);
    border-radius: 50%;
    border-top-color: #0071e3;
    animation: spin 1s ease-in-out infinite;
    opacity: 0;
    animation: spin 1s ease-in-out infinite, fadeIn 0.8s ease 0.6s forwards;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Animations - subtle ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.stock-card {
    animation: fadeIn 0.4s ease forwards;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .app {
        padding: 24px 20px 48px;
    }

    .logo h1 {
        font-size: 22px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-stats {
        width: 100%;
        justify-content: flex-start;
        gap: 24px;
    }

    .stat-pill {
        align-items: flex-start;
    }

    .stat-value {
        font-size: 20px;
    }

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

    .filter-group,
    .basket-filters {
        overflow-x: auto;
        padding-bottom: 4px;
        width: 100%;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

    .stocks-grid {
        grid-template-columns: 1fr;
    }

    .stock-card {
        padding: 24px;
    }

    .card-body {
        gap: 20px 32px;
    }
}

/* ===== Performance Page Styles ===== */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    height: 400px;
    margin-bottom: 32px;
}

.investment-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-item .label {
    font-size: 12px;
    color: var(--text-muted);
}

.summary-item .value {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-link {
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.7;
}