:root {
    --bg: #0b1221;
    --card-bg: #101a33;
    --accent: #4ade80;
    --accent-soft: rgba(74, 222, 128, 0.2);
    --text: #f8fafc;
    --muted: #94a3b8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(circle at top, rgba(32, 56, 108, 0.6), transparent 60%), var(--bg);
    color: var(--text);
    min-height: 100vh;
}

header {
    padding: 40px 5vw 20px;
    text-align: center;
}

header h1 {
    font-size: 2.6rem;
    margin-bottom: 10px;
}

header p {
    color: var(--muted);
    margin: 0 auto;
    max-width: 640px;
}

.dashboard {
    padding: 0 5vw 60px;
    display: grid;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 25px 45px rgba(4, 12, 24, 0.6);
}

.card h2 {
    margin-top: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.metric {
    background: rgba(15, 23, 42, 0.8);
    padding: 16px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.15);
}

.metric span {
    display: block;
}

.metric .label {
    color: var(--muted);
    font-size: 0.9rem;
}

.metric .value {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 15px;
}

.actions input,
.actions select {
    flex: 1;
    min-width: 180px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
}

.actions button {
    padding: 12px 20px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    background: linear-gradient(120deg, #38bdf8, #4ade80);
    color: #041121;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.actions button:hover {
    transform: translateY(-2px);
}

.content-list {
    display: grid;
    gap: 16px;
}

.content-card {
    background: rgba(8, 12, 24, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.08);
    border-radius: 16px;
    padding: 18px;
}

.content-card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.content-card .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--muted);
    margin: 10px 0;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.tag {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
}

.summary {
    line-height: 1.6;
    color: #d9e3f0;
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #111c33;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text);
    z-index: 1000;
    animation: fadeSlide 0.3s ease;
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    .card {
        padding: 18px;
    }
}