:root {
    --bg-color: hsl(222, 25%, 8%);
    --card-bg: hsla(222, 20%, 14%, 0.65);
    --border-color: hsla(222, 15%, 22%, 0.7);
    --text-primary: hsl(210, 20%, 96%);
    --text-secondary: hsl(215, 15%, 68%);
    --primary: hsl(210, 100%, 55%);
    --primary-glow: hsla(210, 100%, 55%, 0.15);
    --primary-hover: hsl(210, 100%, 65%);
    --secondary: hsl(150, 75%, 45%);
    --secondary-glow: hsla(150, 75%, 45%, 0.15);
    
    --tertiary: hsl(32, 95%, 50%);
    --tertiary-glow: hsla(32, 95%, 50%, 0.15);
    --tertiary-hover: hsl(32, 95%, 58%);
    
    --shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --border-radius-card: 20px;
    --border-radius-btn: 10px;
    --transition-speed: 0.35s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, hsla(210, 100%, 55%, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, hsla(150, 100%, 45%, 0.03) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: hsla(222, 25%, 6%, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.5px;
}

.logo-dot {
    width: 12px;
    height: 12px;
    background-color: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--primary);
    display: inline-block;
}

.logo-img {
    height: 160px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1);
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.15));
}

.logo:hover .logo-img {
    transform: scale(1.08) rotate(-2deg);
}

/* Container */
.portal-container {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.portal-hero {
    text-align: center;
    max-width: 700px;
}

.portal-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, hsl(210, 100%, 75%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portal-hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    line-height: 1.5;
}

/* Portal Grid */
.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
}

/* Glass Card */
.portal-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-card);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1),
                border-color var(--transition-speed),
                box-shadow var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.portal-card:hover {
    transform: translateY(-8px);
    border-color: hsla(210, 100%, 55%, 0.35);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 
                0 0 30px 0 var(--primary-glow);
}

.portal-card.card-alt:hover {
    border-color: hsla(150, 75%, 45%, 0.35);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 
                0 0 30px 0 var(--secondary-glow);
}

.portal-card.card-orange:hover {
    border-color: hsla(32, 95%, 50%, 0.35);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 
                0 0 30px 0 var(--tertiary-glow);
}

.card-icon {
    font-size: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: auto;
}

/* Buttons */
.btn {
    flex: 1;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius-btn);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn:active {
    transform: scale(0.97);
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.btn-success {
    background: var(--secondary);
    color: white;
}

.btn-success:hover {
    background: hsl(150, 75%, 52%);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-orange {
    background: var(--tertiary);
    color: white;
}

.btn-orange:hover {
    background: var(--tertiary-hover);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-disabled {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    border: 1px dashed var(--border-color);
    cursor: not-allowed;
}

.btn-disabled:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Footer */
.app-footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    background: hsla(222, 25%, 5%, 0.3);
}

@media (max-width: 768px) {
    .portal-container {
        padding: 2rem 1rem;
    }
    
    .portal-hero h1 {
        font-size: 2.2rem;
    }
    
    .portal-grid {
        grid-template-columns: 1fr;
    }
    
    .app-header {
        padding: 0.6rem 1.2rem;
    }

    .logo-img {
        height: 100px;
    }

    .portal-card {
        padding: 1.8rem;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 80px;
    }

    .portal-card {
        padding: 1.5rem;
    }

    .card-actions {
        flex-direction: column;
    }
}