:root {
    /* Paleta de colores de Rick and Morty */
    --portal-green: #97ce4c;
    --portal-green-glow: rgba(151, 206, 76, 0.6);
    --morty-yellow: #f0e14a;
    --bg-dark: #0b0e14;
    --bg-card: rgba(30, 34, 45, 0.6);
    --bg-card-hover: rgba(40, 45, 60, 0.8);
    --text-primary: #f5f5f5;
    --text-secondary: #9e9e9e;
    
    /* colores de estados */
    --status-alive: #55cc44;
    --status-dead: #d63d2e;
    --status-unknown: #9e9e9e;

    /* configuraciones de glassmorphism */
    --glass-blur: blur(12px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Fondo espacial simple con CSS */
.stars-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 40px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 50px 160px, #ddd, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 40px, #fff, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 200px 200px;
    z-index: -1;
    opacity: 0.3;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header con glassmorphism --- */
.header-glass {
    background: rgba(11, 14, 20, 0.7);
    backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    padding: 30px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.glow-text {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--portal-green-glow),
                 0 0 20px var(--portal-green),
                 0 0 40px var(--portal-green);
    margin-bottom: 5px;
}

.subtitle {
    color: var(--morty-yellow);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Main content & Grid */
main {
    flex: 1;
    padding: 40px 0;
}

/* Búsqueda y filtros */
.hidden {
    display: none !important;
}

.search-glass {
    background: rgba(11, 14, 20, 0.6);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.search-bar {
    display: flex;
    gap: 10px;
}

.glass-input, .glass-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 12px 15px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.glass-input {
    flex: 1;
}

.glass-input:focus, .glass-select:focus {
    border-color: var(--portal-green);
    box-shadow: 0 0 10px rgba(151, 206, 76, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.glass-select {
    cursor: pointer;
}

.glass-select option {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filters > * {
    flex: 1;
    min-width: 150px;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

/* Cards con glassmorphism */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
}

.glass-card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: var(--portal-green-glow);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5), 
                0 0 20px rgba(151, 206, 76, 0.2);
}

.card-image-wrapper {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.character-id {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: blur(4px);
    color: var(--morty-yellow);
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 800;
    z-index: 10;
    border: 1px solid rgba(240, 225, 74, 0.3);
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.glass-card:hover .card-image-wrapper img {
    transform: scale(1.05);
}

.card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

/* Indicador de estado */
.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.alive {
    background-color: var(--status-alive);
    box-shadow: 0 0 8px var(--status-alive);
}
.status-dot.dead {
    background-color: var(--status-dead);
    box-shadow: 0 0 8px var(--status-dead);
}
.status-dot.unknown {
    background-color: var(--status-unknown);
}

.info-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 5px;
}

.info-group .label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
}

.info-group .value {
    color: var(--text-primary);
    font-size: 1rem;
}

/* Paginación */
.pagination-glass {
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    gap: 20px;
    margin: 0 auto;
    display: flex;
    width: fit-content;
}

.btn-portal {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--portal-green);
    padding: 10px 20px;
    border-radius: 30px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-portal:hover:not(:disabled) {
    background: var(--portal-green);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--portal-green-glow);
}

.btn-portal:disabled {
    border-color: #333;
    color: #666;
    cursor: not-allowed;
    opacity: 0.5;
}

.page-info {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.page-info .highlight {
    color: var(--portal-green);
    font-weight: 800;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 30px;
    border-top: var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 600px) {
    .glow-text { font-size: 2rem; }
    .grid-layout { grid-template-columns: 1fr; }
    .pagination-glass {
        flex-direction: column;
        border-radius: 16px;
        width: 100%;
    }
    .search-bar {
        flex-direction: column;
    }
    .btn-portal { width: 100%; justify-content: center; }
}