:root {
    --bg-main: #050505;
    --bg-card: #121212;
    --text-main: #e0e0e0;
    --text-muted: #888888;
    --accent: #00ffaa;
    --accent-glow: rgba(0, 255, 170, 0.3);
    --border: #222222;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    animation: fadeInDown 0.8s ease-out;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover, nav a.active {
    color: var(--text-main);
}

.auth-status {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--accent);
    transition: all 0.3s ease;
}

main {
    padding: 4rem 0;
}

.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

button.cta-primary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button.cta-primary:hover {
    background: var(--accent);
    color: var(--bg-main);
    box-shadow: 0 0 20px var(--accent-glow);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.metric {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.metric.highlight {
    color: var(--accent);
}

.trend {
    font-size: 0.85rem;
    font-weight: 600;
}

.trend.positive { color: var(--accent); }
.trend.neutral { color: var(--text-muted); }

footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up { animation: slideUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.fade-in { opacity: 0; animation: fadeIn 1s ease-out forwards; }
.delay-1 { animation-delay: 0.4s; }

.pulse-text {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}