/* ============================================
   PROPORCIÓN ÁUREA (1.618)
   ============================================ */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    min-height: 100vh;
    transition: background-color 0.5s ease;
    padding: 0;
    font-size: 16px;
}

body.dia {
    background: linear-gradient(135deg, #1e3c72 0%, #2b4d8a 100%);
    color: #fff;
}

body.noche {
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    color: #ddd;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 26px;
}

/* Tarjetas */
.card {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 26px;
    padding: 26px;
    margin-bottom: 26px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Grid con proporción áurea */
.grid-aurea {
    display: flex;
    gap: 26px;
    flex-wrap: wrap;
    margin-bottom: 26px;
}

.grid-aurea .col-principal {
    flex: 1;
    min-width: 250px;
}

.grid-aurea .col-secundaria {
    flex: 1.618;
    min-width: 300px;
}

.top-bar {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    padding: 10px 10px;
    margin-bottom: 70px;
    margin-left: 20px ;
}

@media (max-width: 900px) {
    .grid-aurea .col-secundaria,
    .grid-aurea .col-principal {
        flex: 100%;
    }
}

/* Grid para formulario */
.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Tipografía */
h1 {
    font-size: 42px;
    margin: 0 0 10px 0;
    background: linear-gradient(135deg, #fff, #aac8ff);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 20px;
    margin: 0 0 16px 0;
}

/* Formulario */
.campo {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 0.85rem;
}

input, select, textarea {
    width: 100%;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid #aaa;
    background: rgba(255, 255, 255, 0.9);
    font-size: 16px;
}

body.noche input, body.noche select, body.noche textarea {
    background: rgba(30, 30, 50, 0.9);
    color: #fff;
    border-color: #555;
}

button {
    background: #3b5bdb;
    color: white;
    border: none;
    padding: 5px 12px;
    border-radius: 10px;
    cursor: pointer;
    margin: 2px;
    transition: 0.2s;
    font-size: 15px;
}

button:hover {
    background: #5a77e8;
    transform: scale(1.02);
}

button.danger {
    background: #8b3c3c;
}

button.success {
    background: #2a6e3a;
}

button.warning {
    background: #d4a11e;
}

/* Tabla */
.tabla-animaciones {
    width: 100%;
    border-collapse: collapse;
}

.tabla-animaciones th, .tabla-animaciones td {
    padding: 13px 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.tabla-animaciones th {
    background: rgba(0, 0, 0, 0.3);
}

/* Estados */
.estado-badge {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.estado-on { background: #44ff44; box-shadow: 0 0 5px #44ff44; }
.estado-off { background: #ff4444; }
.estado-waiting { background: #ffaa44; box-shadow: 0 0 5px #ffaa44; animation: pulse 1s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Panel de simulación */
.simulacion-panel {
    text-align: center;
    padding: 8px 10px;
    border-radius: 15px;
    background: rgba(0, 0, 0, 0.3);
}

.progreso-wrapper {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 13px;
    height: 26px;
    margin: 12px 0;
    overflow: hidden;
}

.progreso-fill {
    height: 100%;
    width: 0%;
    transition: width 0.5s linear;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    color: #000;
}

body.dia .progreso-fill { background: #ffdd88; box-shadow: 0 0 10px #ffaa44; }
body.noche .progreso-fill { background: #6688aa; box-shadow: 0 0 10px #4488cc; }

.tiempo-info {
    font-family: monospace;
    font-size: 1rem;
    margin: 8px 0;
}

/* Próxima animación - MÁS COMPACTO */
.proxima-animacion {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    padding: 5px 13px;
    margin-top: 8px;
    font-size: 0.9rem;
    line-height: 1.3;
}

/* Ajuste input retardo */
#retardoMax {
    margin-right: 10px;
}

/* Badges */
.badge {
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 13px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.flex {
    display: flex;
    gap: 13px;
    flex-wrap: wrap;
    align-items: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #1a1a2e;
    border-radius: 26px;
    padding: 26px;
    max-width: 618px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

hr {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 20px 0;
}

.comando-ejemplo {
    font-size: 0.7rem;
    color: #aaa;
    margin-top: 5px;
}

.serial-panel {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    padding: 16px;
    margin-top: 5px;
}

.status-conectado { color: #44ff44; }
.status-desconectado { color: #ff8888; }

/* Colapsable */
.collapsible-header {
    cursor: pointer;
    user-select: none;
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.collapsible-content.open {
    max-height: 800px;
}

.arrow {
    display: inline-block;
    transition: transform 0.3s;
    font-size: 14px;
}

.arrow.rotated {
    transform: rotate(180deg);
}

textarea {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
    resize: vertical;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 16px;
    }
    .card {
        padding: 18px;
    }
    h1 {
        font-size: 28px;
    }
    button {
        padding: 6px 14px;
        font-size: 13px;
    }
    .flex-between {
        flex-direction: column;
        align-items: start;
        gap: 10px;
    }
    .tabla-animaciones th, .tabla-animaciones td {
        padding: 8px 6px;
        font-size: 12px;
    }
}

#limpiarSerialBtn {
    background: #8b3c3c;
    padding: 8px 12px;
    font-size: 1rem;
}

#limpiarSerialBtn:hover {
    background: #a04444;
}

#serialArea {
    min-height: 200px;
    font-size: 11px;
    line-height: 1.3;
}

/* ============================================
   FOOTER CLÁSICO
   ============================================ */

.footer {
    margin-top: 40px;
    padding: 20px 26px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 20px 20px;
}

.footer-content p {
    margin: 5px 0;
    line-height: 1.4;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-version {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Responsive para móviles */
@media (max-width: 600px) {
    .footer {
        padding: 15px;
        font-size: 0.7rem;
    }
    
    .footer-content p {
        margin: 3px 0;
    }
}