:root {
    --brand-primary: #006666;
    --brand-secondary: #004d4d;
    --accent-color: #0d9488;
    --surface-color: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.05);
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-placeholder: #9ca3af;
    --background-color: #ffffff;
    --input-bg: #f9fafb;
    --status-superado-bg: rgba(13, 148, 136, 0.15);
    --status-superado-text: #0d9488;
    --status-pendiente-bg: rgba(245, 158, 11, 0.15);
    --status-pendiente-text: #d97706;
    --status-default-bg: rgba(107, 114, 128, 0.15);
    --status-default-text: #4b5563;
    --disclaimer-bg: #fffbeb;
    --disclaimer-border: #fef3c7;
    --disclaimer-text-header: #92400e;
}

/* Estilos base */

body { 
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

#background-gradient {
    display: none;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: screen;
    animation: move 25s infinite alternate;
}

.blob1 { background: var(--brand-primary); width: 40vmax; height: 40vmax; top: 5%; left: 5%; animation-duration: 20s; }
.blob2 { background: var(--accent-color); width: 30vmax; height: 30vmax; top: 40%; left: 60%; animation-duration: 30s; }
.blob3 { background: #003333; width: 35vmax; height: 35vmax; top: 70%; left: 20%; animation-duration: 25s; }

@keyframes move {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(10vw, -15vh) scale(1.2); }
}

#app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    flex-grow: 1;
    position: relative;
}

.main-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    opacity: 0;
    animation: pop-in 0.8s 0.2s forwards cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes pop-in {
    to { opacity: 1; }
}

.header-container {
    position: relative;
    overflow: hidden;
}

.header-clip {
    background: linear-gradient(45deg, var(--brand-secondary), var(--brand-primary));
    clip-path: polygon(0 0, 100% 0, 90% 100%, 0% 100%);
    transform: translateX(-101%);
    animation: slide-in-header 1.5s 0.5s forwards cubic-bezier(0.83, 0, 0.17, 1);
}

@keyframes slide-in-header {
     to { transform: translateX(0%); }
}

.animated-title {
    opacity: 0;
    animation: fade-in-title 0.8s 1.8s forwards ease;
}
@keyframes fade-in-title {
    to { opacity: 1; }
}

.main-content-area {
    overflow-y: auto;
}

.dni-input {
    background: var(--input-bg);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}
.dni-input:focus-within {
    background: rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.search-button {
    background: linear-gradient(45deg, var(--accent-color), #10a38f);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
    transition: all 0.3s ease;
}
.search-button:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4);
}

@keyframes fade-in-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-badge {
    padding: 5px 14px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.status-superado { background-color: var(--status-superado-bg); color: var(--status-superado-text); }
.status-pendiente { background-color: var(--status-pendiente-bg); color: var(--status-pendiente-text); }
.status-default { background-color: var(--status-default-bg); color: var(--status-default-text); }

.course-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.course-item {
    background: var(--input-bg);
    border-radius: 12px;
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in-up 0.5s forwards cubic-bezier(0.25, 1, 0.5, 1);
    border-left: 3px solid transparent;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.course-item-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
}

.course-item:not(.is-not-convocado):hover {
    background: rgba(255,255,255,0.05);
    border-left-color: var(--accent-color);
}

.course-name {
    font-weight: 600;
    color: var(--text-primary);
    transition: opacity 0.3s ease;
}

.course-status-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.expand-icon {
    transition: transform 0.3s ease;
    color: var(--text-secondary);
}

.course-item.is-open .expand-icon {
    transform: rotate(180deg);
}

.course-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 1rem;
}

.course-item.is-open .course-details {
    max-height: 200px; 
    padding: 0 1rem 0.75rem 1rem;
}

.course-details-content {
     border-top: 1px solid var(--border-color);
     padding-top: 0.75rem;
}

.course-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.course-info-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    text-decoration: none;
    transition: color 0.3s ease;
}
.course-info-link:hover {
    color: var(--accent-color);
}
.course-info-link .material-symbols-outlined {
    font-size: 1rem;
}

.course-item.is-not-convocado .course-name {
    opacity: 0.6;
}
.course-item.is-not-convocado .course-item-header {
    cursor: default;
}

.custom-loader {
    display: flex;
    gap: 8px;
    height: 48px;
    align-items: center;
}
.custom-loader .bar {
    width: 8px;
    height: 10%;
    background-color: var(--accent-color);
    border-radius: 4px;
    animation: bar-wave 1.2s ease-in-out infinite;
}
.custom-loader .bar:nth-child(2) { animation-delay: 0.1s; }
.custom-loader .bar:nth-child(3) { animation-delay: 0.2s; }
.custom-loader .bar:nth-child(4) { animation-delay: 0.3s; }
.custom-loader .bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes bar-wave {
    0%, 100% { height: 10%; background-color: var(--border-color); }
    50% { height: 100%; background-color: var(--accent-color); }
}

.floating-footer {
    padding: 0.75rem 1.5rem;
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 20px var(--shadow-color);
    border-radius: 16px;
    opacity: 0;
    animation: pop-in 0.8s 0.8s forwards cubic-bezier(0.25, 1, 0.5, 1);
}

.back-button-bubble {
    background: var(--surface-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.5);
    animation: pop-in-bubble 0.5s forwards cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 50;
}
.back-button-bubble:hover {
    background: #ffffff;
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: scale(1.1);
    box-shadow: 0 6px 16px var(--shadow-color);
}

@keyframes pop-in-bubble {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.home-header {
    background: var(--brand-secondary);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.choice-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.choice-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.choice-card.is-not-clickable {
    cursor: default;
}
.choice-card.is-not-clickable:hover {
    transform: none;
    border-color: var(--border-color);
    box-shadow: none;
}

.choice-arrow {
    transition: transform 0.3s ease;
}

.choice-card:hover .choice-arrow {
    transform: translateX(5px);
}

/* Estilos para el Modal */
#deadlineModal.flex {
    display: flex;
}

.course-info-link.is-disabled:hover {
    color: var(--text-secondary); /* Evita que cambie de color al pasar el ratón */
}