:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-color: #f3f4f6;
    --text-main: #111827;
    --text-muted: #6b7280;
    --card-bg: #ffffff;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background-image: radial-gradient(#d1d5db 1px, transparent 1px);
    background-size: 20px 20px;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.125rem;
    color: var(--text-muted);
}

.container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5, #ec4899);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.1);
    color: #ec4899;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

/* Modal overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 50;
    padding: 1rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--card-bg);
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px);
    transition: var(--transition);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f9fafb;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.close-btn:hover {
    color: #ef4444;
}

.modal-body {
    padding: 1.5rem 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-radius: 12px;
    background: #f9fafb;
    text-decoration: none;
    color: var(--text-main);
    transition: var(--transition);
    border: 1px solid #e5e7eb;
    gap: 1rem;
}

.link-item:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateX(5px);
}

.link-icon {
    font-size: 1.5rem;
    color: var(--primary);
    min-width: 40px;
    text-align: center;
}

.link-title {
    font-weight: 500;
    flex-grow: 1;
}

.link-arrow {
    color: var(--text-muted);
    transition: var(--transition);
}

.link-item:hover .link-arrow {
    transform: translateX(3px);
    color: var(--primary);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease backwards;
}