/* ========================================
   RESET & VARIABLES
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #a855f7;
    --secondary: #ec4899;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --dark-purple: #581c87;
    --text-gray: #9ca3af;
    --text-light: #d1d5db;

    --border-radius: 0.75rem;
    --border-radius-lg: 1.5rem;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-purple) 50%, var(--dark) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: white;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 4rem;
    height: 4rem;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

.loading-text {
    color: var(--text-gray);
    font-size: 1.125rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--text-gray);
}

.empty-state-icon {
    font-size: 6rem;
    margin-bottom: 1.5rem;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.empty-state p {
    font-size: 1rem;
    margin-bottom: 2rem;
}

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

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}