:root {
    --primary-color: #4a9eff;
    --secondary-color: #ffd700;
    --accent-blue: #00d4ff;
    --accent-gold: #ffd700;
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --bg-dark: #0a0a0f;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252547;
    --border-color: #2a2a3e;
    --border-glow: rgba(74, 158, 255, 0.3);
    --error-color: #ff4444;
    --success-color: #00ff88;
    --dark-side-red: #c41e3a;
    --light-side-blue: #4a9eff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    background: var(--bg-dark);
    background-image: 
        radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 25% 35%, rgba(74, 158, 255, 0.7), transparent),
        radial-gradient(1px 1px at 40% 15%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 55% 45%, rgba(0, 212, 255, 0.8), transparent),
        radial-gradient(1px 1px at 70% 30%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 85% 60%, rgba(74, 158, 255, 0.8), transparent),
        radial-gradient(1px 1px at 15% 70%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 30% 80%, rgba(0, 212, 255, 0.7), transparent),
        radial-gradient(1px 1px at 45% 75%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 60% 85%, rgba(74, 158, 255, 0.7), transparent),
        radial-gradient(1px 1px at 75% 90%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 90% 70%, rgba(0, 212, 255, 0.6), transparent),
        radial-gradient(2px 2px at 5% 5%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 20% 10%, rgba(74, 158, 255, 0.6), transparent),
        radial-gradient(2px 2px at 35% 8%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 50% 12%, rgba(0, 212, 255, 0.6), transparent),
        radial-gradient(2px 2px at 65% 6%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 80% 9%, rgba(74, 158, 255, 0.6), transparent),
        radial-gradient(2px 2px at 95% 5%, rgba(0, 212, 255, 0.5), transparent);
    background-size: 100% 100%;
    background-position: 0% 0%;
    background-attachment: fixed;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}



.dashboard-container {
    min-height: 100vh;
    background: transparent;
}

.dashboard-nav {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 30px rgba(74, 158, 255, 0.1);
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--border-color);
    border-image: linear-gradient(90deg, transparent, var(--accent-blue), transparent) 1;
    position: sticky;
    top: 0;
    z-index: 100;
    position: relative;
}

.nav-brand h1 {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.75rem;
    margin: 0;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
}

.nav-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.95rem;
    border: 1px solid transparent;
    position: relative;
}

.nav-links a:hover {
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent-blue);
    border-color: var(--border-glow);
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.3);
    transform: translateY(-2px);
}

.nav-links a.active {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-color) 100%);
    color: white;
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.logout-button {
    background: var(--dark-side-red);
    color: white;
    border: 1px solid var(--dark-side-red);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 0 10px rgba(196, 30, 58, 0.3);
}

.logout-button:hover {
    background: #a01a2e;
    box-shadow: 0 0 20px rgba(196, 30, 58, 0.6);
    transform: translateY(-2px);
}

.dashboard-content {
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.error-message {
    background: rgba(196, 30, 58, 0.2);
    color: #ff6b6b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--dark-side-red);
    box-shadow: 0 0 15px rgba(196, 30, 58, 0.3);
}

.success-message {
    background: rgba(0, 255, 136, 0.15);
    color: var(--success-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--success-color);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-color) 100%);
    color: white;
    border: 1px solid var(--accent-blue);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.3);
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(74, 158, 255, 0.6);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-blue) 100%);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.2);
}

.btn-danger {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 15px rgba(74, 158, 255, 0.3);
    background: rgba(26, 26, 46, 0.8);
}

.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 30px rgba(74, 158, 255, 0.1);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4), 0 0 40px rgba(74, 158, 255, 0.15);
    border-color: var(--border-glow);
}

/* PWA install banner */
.pwa-install-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-card);
    border-top: 2px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0));
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.pwa-install-banner.is-visible {
    display: flex;
}
.pwa-install-banner-text {
    color: var(--text-primary);
    font-size: 0.95rem;
}
.pwa-install-banner-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.pwa-install-banner .btn-install {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}
.pwa-install-banner .btn-install:hover {
    filter: brightness(1.1);
}
.pwa-install-banner .btn-dismiss {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}
.pwa-install-banner .btn-dismiss:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

@media (max-width: 768px) {
    .dashboard-nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
    }
    
    .dashboard-content {
        padding: 15px;
    }

    .pwa-install-banner {
        flex-direction: column;
        padding: 12px;
    }
}