[hidden] {
    display: none !important;
}

:root {
    --bg: #f4f6fb;
    --card-bg: #ffffff;
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --accent: #22c55e;
    --text: #1f2933;
    --muted: #6b7280;
    --border: #e2e8f0;
    --shadow: 0 24px 55px rgba(15, 23, 42, 0.08);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.18), transparent 55%),
        radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.16), transparent 50%),
        #eef2ff;
    min-height: 100vh;
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 72px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
}

.header.hero {
    position: relative;
    padding: 40px 36px;
    border-radius: 32px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.14) 0%, rgba(236, 72, 153, 0.14) 55%, rgba(14, 165, 233, 0.12) 100%);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow);
}

.header.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.22), transparent 60%);
    pointer-events: none;
}

.header.hero .title-group {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.title-group h1 {
    margin: 0;
    font-size: 2.4rem;
    font-weight: 700;
    color: #0f172a;
}

.subtitle {
    margin: 0;
    font-size: 1rem;
    color: var(--muted);
    max-width: 520px;
}

.badge {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(255, 255, 255, 0.85);
    padding: 6px 12px;
    border-radius: 999px;
    box-shadow: 0 12px 24px rgba(79, 70, 229, 0.12);
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-chip {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
    min-width: 160px;
}

.chip-title {
    font-weight: 600;
    color: #1e293b;
}

.chip-desc {
    font-size: 0.85rem;
    color: var(--muted);
}

.main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
}

.form-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-title h2 {
    margin: 0 0 8px;
    font-size: 1.4rem;
    color: #111827;
}

.card-title p {
    margin: 0;
    color: var(--muted);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--text);
}

.input-help {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.form-group input {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-size: 1rem;
    transition: border 0.2s ease, box-shadow 0.2s ease;
    background: rgba(255, 255, 255, 0.92);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.input-hint {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.form-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
}

.form-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.form-support {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: flex-start;
}

.form-support .hint {
    margin: 0;
}

.btn {
    padding: 12px 20px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.35);
}

.btn.primary:hover {
    transform: translateY(-1px);
}

.btn.primary:disabled {
    cursor: not-allowed;
    filter: saturate(0.7);
    box-shadow: none;
}

.btn.ghost {
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
}

.btn.ghost:hover {
    background: rgba(79, 70, 229, 0.12);
}

.btn.subtle {
    background: transparent;
    color: var(--muted);
    padding: 0;
    font-weight: 500;
    text-decoration: underline;
}

.btn.subtle:hover,
.btn.subtle:focus-visible {
    color: var(--primary);
    transform: none;
    box-shadow: none;
}

.hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.results {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.grid {
    display: grid;
    gap: 24px;
}

.data-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.highlight {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(14, 165, 233, 0.1));
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.summary-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(79, 70, 229, 0.08);
    padding: 6px 12px;
    border-radius: 12px;
}

.summary-controls label {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.summary-controls select {
    border: none;
    background: transparent;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    outline: none;
}

.summary-controls select:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.summary {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.09), rgba(14, 165, 233, 0.08));
    padding: 16px 18px;
    border-radius: 16px;
}

.summary-item strong {
    color: var(--primary);
}

.summary-footnote {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    background: rgba(79, 70, 229, 0.07);
    padding: 12px 14px;
    border-radius: 12px;
}

.meta-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(236, 72, 153, 0.08));
}

.meta-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.meta-item {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 14px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.meta-item span {
    font-size: 0.8rem;
    color: var(--muted);
}

.meta-item strong {
    font-size: 1.05rem;
    color: #111827;
}

.chart-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 320px;
}

.chart-header h2 {
    margin: 0;
}

.chart-description {
    color: var(--muted);
    font-size: 0.95rem;
}

.table-card {
    padding: 0;
    overflow: hidden;
    border-radius: 28px;
}

.table-header {
    padding: 24px 28px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(14, 165, 233, 0.12));
}

.currency {
    font-weight: 600;
    color: var(--primary);
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: rgba(79, 70, 229, 0.08);
}

th, td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

th {
    font-weight: 600;
    color: #111827;
}

tbody tr:hover {
    background: rgba(243, 244, 246, 0.6);
}

.table-card tbody tr:nth-child(even) {
    background: rgba(248, 250, 252, 0.7);
}

.footer {
    margin-top: 40px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%);
    background: rgba(17, 24, 39, 0.9);
    color: #fff;
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1200;
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.toast.error {
    background: linear-gradient(135deg, #f43f5e, #be123c);
}

.toast.warning {
    background: linear-gradient(135deg, #f97316, #d97706);
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: blur(4px);
    z-index: 1000;
}

.loading-overlay .spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    animation: spin 0.9s linear infinite;
}

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

@media (min-width: 1024px) {
    .data-grid {
        grid-template-columns: minmax(320px, 1.5fr) minmax(280px, 1fr);
        align-items: stretch;
    }

    .data-grid .highlight {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .page {
        padding: 32px 16px 56px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header.hero {
        padding: 32px 24px;
    }

    .form-actions {
        flex-direction: column;
        width: 100%;
    }

    .form-actions .btn {
        width: 100%;
    }

    .form-footer {
        flex-direction: column;
        align-items: stretch;
    }

    th, td {
        padding: 12px 16px;
    }

    .summary-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .summary-controls {
        justify-content: space-between;
    }

    .summary-footnote {
        margin-top: 8px;
    }

    .meta-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}