/* --- Temas --- */
:root {
    /* Dark por defecto */
    --glow-purple: #7427F4;
    --glow-dark-bg: #2E3168;
    --glow-dark-container: #3B5B55;
    --glow-dark-input: #3B5B55;
    --glow-white: #F3F3FF;
    --glow-text-primary: #F3F3FF;
    --glow-text-secondary: #CDE89A;
    --glow-border-color: #526E3E;
    --glow-success: #6BD35F;
    --glow-error: #EB5545;
    --glow-info-bg: #3C4922;
}

:root.theme-light {
    --glow-purple: #3B85F7;
    --glow-dark-bg: #F0FFFF;
    --glow-dark-container: #E3FFFA;
    --glow-dark-input: #E3FFFA;
    --glow-white: #29496B;
    --glow-text-primary: #29496B;
    --glow-text-secondary: #676449;
    --glow-border-color: #83D1CE;
    --glow-success: #6BD35F;
    --glow-error: #EB5545;
    --glow-info-bg: #EEE6FF;
}

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

/* --- Custom Scrollbar Styling --- */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--glow-dark-bg);
}

::-webkit-scrollbar-thumb {
    background-color: var(--glow-purple);
    border-radius: 10px;
    border: 3px solid var(--glow-dark-bg);
}

html {
    scrollbar-width: thin;
    scrollbar-color: var(--glow-white) var(--glow-dark-bg);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--glow-dark-bg);
    color: var(--glow-text-primary);
    min-height: 100vh;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    position: relative;
    padding-top: 20px;
    min-height: 40px;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glow-dark-input);
    color: var(--glow-text-primary);
    border: 1px solid var(--glow-border-color);
    border-radius: 20px;
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    font-weight: 600;
    font-size: 0.9rem;
}

.theme-toggle:hover {
    border-color: var(--glow-purple);
    box-shadow: 0 0 0 2px rgba(115, 2, 255, 0.2);
}

.page-logo {
    position: relative;
    height: 40px;
    z-index: 10;
}

.theme-dark .page-logo {
    filter: brightness(1.05);
}

.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 40px 0 40px;
}

.logo-wrap {
    display: flex;
    align-items: center;
}

.container {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 120px 40px 60px;
}

h1 {
    color: var(--glow-white);
    margin-bottom: 10px;
    font-size: 2.2em;
    font-weight: 800;
    text-align: center;
    letter-spacing: -1px;
    text-decoration: underline;
    text-decoration-color: var(--glow-purple);
    text-decoration-thickness: 4px;
    text-underline-offset: 12px;
}

.subtitle {
    text-align: center;
    color: var(--glow-text-secondary);
    margin-bottom: 40px;
    font-size: 1em;
    font-weight: 400;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 10px;
    color: var(--glow-text-primary);
    font-weight: 600;
    font-size: 0.95em;
}

.label-description {
    font-weight: 400;
    color: var(--glow-text-secondary);
    font-size: 0.85em;
    margin-top: 4px;
    display: block;
}

input[type="text"],
textarea,
select {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--glow-dark-input);
    border: 1px solid var(--glow-border-color);
    border-radius: 8px;
    font-size: 0.95em;
    color: var(--glow-text-primary);
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: inherit;
}

input[type="text"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--glow-purple);
    box-shadow: 0 0 0 3px rgba(115, 2, 255, 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Cards para frameworks y réplicas */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 10px;
}

.card {
    background-color: var(--glow-dark-input);
    border: 1px solid var(--glow-border-color);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card:hover {
    border-color: var(--glow-purple);
    transform: translateY(-2px);
}

.card.selected {
    border-color: var(--glow-purple);
    box-shadow: 0 0 0 2px rgba(115, 2, 255, 0.3);
}

.card-title {
    font-weight: 700;
    font-size: 1em;
}

.card-subtitle {
    color: var(--glow-text-secondary);
    font-size: 0.85em;
    line-height: 1.4;
}

.thumbnail {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--glow-border-color);
    background: #000;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.thumbnail video,
.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.btn {
    width: 100%;
    padding: 15px;
    background-color: var(--glow-purple);
    color: var(--glow-white);
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    filter: brightness(1.15);
    box-shadow: 0 8px 20px rgba(115, 2, 255, 0.25);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    display: none;
}

.alert.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--glow-success);
    border-color: var(--glow-success);
}

.alert.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--glow-error);
    border-color: var(--glow-error);
}

.loading {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    border: 4px solid var(--glow-border-color);
    border-top: 4px solid var(--glow-purple);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-link {
    padding: 30px;
    background: var(--glow-dark-input);
    border: 1px solid var(--glow-purple);
    border-radius: 8px;
    margin-top: 20px;
    margin-bottom: 30px;
    display: none;
    text-align: center;
}

.result-link h3 {
    color: var(--glow-white);
    font-weight: 700;
}

.result-link p {
    color: var(--glow-text-secondary);
}

.result-link a {
    color: var(--glow-purple);
    font-weight: 600;
    text-decoration: none;
    word-break: break-all;
    display: inline-block;
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    background-color: rgba(115, 2, 255, 0.1);
    transition: background-color 0.3s;
}

.result-link a:hover {
    text-decoration: underline;
    background-color: rgba(115, 2, 255, 0.2);
}

.info-box {
    background: var(--glow-info-bg);
    border: 1px solid var(--glow-purple);
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--glow-text-primary);
}

.info-box::before {
    content: '💡';
    margin-right: 8px;
}

.hidden {
    display: none;
}