/* ========================================
   Web Performance Budget — Dashboard Theme
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --pass: #10B981;
    --pass-glow: rgba(16, 185, 129, 0.15);
    --fail: #EF4444;
    --fail-glow: rgba(239, 68, 68, 0.15);
    --warn: #F59E0B;
    --warn-glow: rgba(245, 158, 11, 0.15);
    --primary: #3B82F6;
    --primary-glow: rgba(59, 130, 246, 0.2);

    --bg-deep: #0F172A;
    --bg-base: #1E293B;
    --bg-surface: #334155;
    --bg-elevated: #475569;

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --border: rgba(51, 65, 85, 0.6);
    --border-hover: rgba(71, 85, 105, 0.7);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: 200ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
}

.app {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 16px 60px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--pass), var(--primary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
}

.btn:hover {
    background: var(--bg-elevated);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: #2563EB;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-large {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-muted);
}

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

/* Cards */
.card {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    animation: fadeIn 0.4s ease-out;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.section-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

/* Budget Grid */
.budget-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}

.budget-item {}

.budget-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.budget-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.budget-input {
    width: 100%;
    padding: 7px 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
}

.budget-input:focus {
    border-color: var(--primary);
}

.budget-unit {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Audit Grid */
.audit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.audit-item {}

.audit-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.audit-input {
    width: 100%;
    padding: 7px 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
}

.audit-input:focus {
    border-color: var(--primary);
}

.audit-url-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.audit-url {
    flex: 1;
    padding: 9px 12px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
}

.audit-url:focus {
    border-color: var(--primary);
}

/* Results */
.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.results-header .section-title {
    margin-bottom: 0;
}

.overall-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overall-pass {
    background: var(--pass-glow);
    color: var(--pass);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.overall-fail {
    background: var(--fail-glow);
    color: var(--fail);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.metric-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.metric-card.pass {
    border-left: 4px solid var(--pass);
}

.metric-card.fail {
    border-left: 4px solid var(--fail);
}

.metric-card.warn {
    border-left: 4px solid var(--warn);
}

.metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.metric-name {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.metric-status {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

.metric-status.pass {
    background: var(--pass-glow);
    color: var(--pass);
}

.metric-status.fail {
    background: var(--fail-glow);
    color: var(--fail);
}

.metric-values {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.metric-actual {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
}

.metric-actual.pass-color {
    color: var(--pass);
}

.metric-actual.fail-color {
    color: var(--fail);
}

.metric-budget {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.metric-bar {
    height: 5px;
    background: var(--bg-elevated);
    border-radius: 10px;
    margin-top: 10px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 0.6s ease;
}

.bar-pass {
    background: var(--pass);
}

.bar-fail {
    background: var(--fail);
}

.bar-warn {
    background: var(--warn);
}

/* History */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.8rem;
}

.history-url {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 50%;
}

.history-result {
    font-weight: 600;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 10px;
}

.history-result.pass {
    background: var(--pass-glow);
    color: var(--pass);
}

.history-result.fail {
    background: var(--fail-glow);
    color: var(--fail);
}

.history-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 10px 14px;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    color: var(--text-primary);
    animation: toast-in 0.3s ease-out;
}

.toast.success {
    border-left: 3px solid var(--pass);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@media (max-width: 600px) {
    .app {
        padding: 0 10px 40px;
    }

    .logo span {
        display: none;
    }

    .budget-grid,
    .audit-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .audit-url-row {
        flex-direction: column;
    }
}