/**
 * Estilos de Linky
 * Diseño moderno y responsive
 * Actualizado con paleta ToolBox
 */

:root {
    /* Colores ToolBox */
    --navy: #2D3C59;
    --sage: #94A378;
    --yellow: #E5BA41;
    --orange: #D1855C;
    --navy-dark: #1e2838;
    --navy-light: #3d4c69;
    --bg-dark: #2D3C59;
    --bg-darker: #1e2838;
    --text-light: #f5f5f5;
    --text-gray: #a8b5c8;

    /* Override colores antiguos */
    --primary-color: var(--yellow);
    --secondary-color: var(--sage);
    --accent-color: var(--orange);

    /* Colores de fondo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;

    /* Colores de texto */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;

    /* Bordes y sombras */
    --border-color: #e0e0e0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.2);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Fuentes */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Courier New', monospace;
}

/* ===========================
   BODY OVERRIDE (para páginas de herramientas)
   =========================== */
body {
    background: var(--bg-secondary) !important;
    min-height: 100vh;
    padding-top: 70px; /* Espacio para el navbar fijo */
}

/* ===========================
   FOOTER OVERRIDE (para páginas de herramientas)
   =========================== */
.footer-section {
    background: var(--navy-dark) !important;
    margin-top: 4rem;
}

.footer-tagline,
.footer-links a,
.footer-copyright {
    color: var(--text-gray) !important;
}

.footer-logo,
.footer-links h4 {
    color: var(--text-light) !important;
}

/* ===========================
   CONTENEDOR PRINCIPAL
   =========================== */
.linky-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
}

/* ===========================
   CABECERA
   =========================== */
.linky-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.back-link {
    position: absolute;
    left: 0;
    top: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.back-link:hover {
    color: var(--yellow);
    background-color: rgba(229, 186, 65, 0.1);
    transform: translateX(-3px);
}

.linky-title {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.linky-title i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.linky-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   TARJETAS DE FORMULARIO
   =========================== */
.linky-form {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-sm);
    grid-template-areas: "main sidebar";
}

/* Área principal izquierda */
.form-main {
    grid-area: main;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Barra lateral derecha */
.form-sidebar {
    grid-area: sidebar;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
}

.form-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.form-card:hover {
    border-color: rgba(52, 152, 219, 0.3);
    box-shadow: var(--shadow-lg);
}

/* Card compacta (para expiración) */
.form-card-compact {
    background: rgba(52, 152, 219, 0.05);
    border: 1px solid var(--border-color) !important;
    box-shadow: none !important;
}

.form-card-compact .form-card-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border-bottom: 1px solid var(--border-color);
}

.form-card-compact .form-card-header h3 {
    font-size: 0.85rem;
}

.form-card-compact .form-card-header i {
    font-size: 0.9rem;
}

.form-card-compact .form-card-body {
    padding: var(--spacing-sm);
}

.form-card-compact .form-help {
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

.form-card-header {
    background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    border-bottom: 2px solid rgba(148, 163, 120, 0.2);
}

.form-card-header i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.form-card-header h3 {
    flex: 1;
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
    font-weight: 600;
}

.optional-badge {
    background-color: var(--text-secondary);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-weight: 500;
}

.form-card-body {
    padding: var(--spacing-sm);
    flex: 1;
}

/* ===========================
   INPUTS Y TEXTAREAS
   =========================== */
.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    background-color: var(--bg-primary);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(229, 186, 65, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 70px;
    line-height: 1.5;
}

.char-counter {
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form-help {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

.form-help i {
    color: var(--primary-color);
}

/* ===========================
   SUBIDA DE ARCHIVOS
   =========================== */
.file-upload-area {
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.file-input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--spacing-sm);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    min-height: 80px;
}

.file-label:hover {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.file-label i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.file-label:hover i {
    transform: scale(1.05);
}

.file-label span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.file-label small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.file-input:focus + .file-label {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Vista previa de archivos */
.file-preview {
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.file-preview img,
.file-preview video {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--border-radius);
    display: block;
    margin: 0 auto;
}

.file-preview audio {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.file-preview-info {
    background: var(--bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.file-preview-info i {
    color: var(--primary-color);
}

.remove-file {
    margin-left: auto;
    color: var(--accent-color);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.remove-file:hover {
    transform: scale(1.2);
}

/* ===========================
   SISTEMA DE PESTAÑAS
   =========================== */
.video-tabs,
.audio-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.9rem;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

/* ===========================
   PREVIEW DE YOUTUBE
   =========================== */
.youtube-preview {
    margin-top: var(--spacing-md);
    aspect-ratio: 16/9;
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: #000;
    display: none;
}

.youtube-preview.active {
    display: block;
}

.youtube-preview iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===========================
   GRABADORA DE AUDIO
   =========================== */
.audio-recorder {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.btn-record,
.btn-stop {
    min-width: 200px;
}

.btn-record {
    background-color: var(--accent-color);
}

.btn-record:hover {
    background-color: #c0392b;
}

.btn-stop {
    background-color: var(--text-secondary);
}

.btn-stop:hover:not(:disabled) {
    background-color: #5a6c7d;
}

.recording-status {
    color: var(--accent-color);
    font-weight: 500;
    display: none;
    align-items: center;
    gap: var(--spacing-xs);
}

.recording-status.active {
    display: flex;
}

.recording-status::before {
    content: '';
    width: 12px;
    height: 12px;
    background-color: var(--accent-color);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

#recordedAudio {
    width: 100%;
}

/* ===========================
   BOTONES
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--yellow) 0%, var(--orange) 100%);
    color: var(--navy-dark);
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(229, 186, 65, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(229, 186, 65, 0.5);
}

.btn-secondary {
    background: rgba(148, 163, 120, 0.2);
    color: var(--sage);
    border: 2px solid var(--sage);
}

.btn-secondary:hover {
    background: rgba(148, 163, 120, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(148, 163, 120, 0.2);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ===========================
   TARJETA DE ÉXITO - MINIMALISTA
   =========================== */
.success-card {
    background: #ffffff;
    border: 1px solid rgba(148, 163, 120, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.5s ease-out;
    max-width: 700px;
    margin: 0 auto;
}

/* Header Section */
.success-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(148, 163, 120, 0.3);
    margin-bottom: var(--spacing-md);
}

.success-icon {
    font-size: 2.5rem;
    color: var(--sage);
    margin-bottom: var(--spacing-sm);
}

.success-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: #1a202c !important;
    font-weight: 700;
}

.success-subtitle {
    font-size: 0.9rem;
    color: #4a5568 !important;
    margin: 0;
    line-height: 1.4;
}

/* URL Section */
.url-section {
    margin-bottom: var(--spacing-md);
}

.url-label {
    display: block;
    font-size: 0.85rem;
    color: #2d3748 !important;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.url-container {
    display: flex;
    gap: var(--spacing-xs);
    background: #f7fafc;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(148, 163, 120, 0.3);
}

.url-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid rgba(148, 163, 120, 0.4);
    border-radius: var(--border-radius-sm);
    background: #ffffff;
    font-size: 0.9rem;
    font-family: var(--font-mono);
    color: #2d3748 !important;
    font-weight: 500;
}

.url-input:focus {
    outline: none;
    border-color: var(--sage);
    background: #ffffff;
}

.btn-copy {
    background: var(--sage);
    color: white;
    font-weight: 600;
    white-space: nowrap;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
}

.btn-copy:hover {
    background: var(--yellow);
    color: var(--navy-dark);
}

/* Share Section */
.share-section {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: #f7fafc;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(148, 163, 120, 0.2);
}

.share-label {
    display: block;
    font-size: 0.85rem;
    color: #2d3748 !important;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid transparent;
}

.share-btn span {
    font-size: 0.85rem;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.share-whatsapp {
    background: #25D366;
    color: white;
}

.share-whatsapp:hover {
    background: #20BA5A;
}

.share-telegram {
    background: #0088cc;
    color: white;
}

.share-telegram:hover {
    background: #007AB8;
}

.share-email {
    background: #6B7280;
    color: white;
    border-color: transparent;
}

.share-email:hover {
    background: #4B5563;
}

.share-twitter {
    background: #000000;
    color: white;
}

.share-twitter:hover {
    background: #1a1a1a;
}

/* Actions */
.success-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.success-actions .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

.success-actions .btn-full {
    width: 100%;
    justify-content: center;
}

.success-actions .btn-primary {
    background: linear-gradient(135deg, var(--yellow) 0%, var(--orange) 100%);
    color: var(--navy-dark);
    border: none;
}

.success-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(229, 186, 65, 0.4);
}

.success-actions .btn-secondary {
    background: var(--sage);
    color: white;
    border: none;
}

.success-actions .btn-secondary:hover {
    background: var(--yellow);
    color: var(--navy-dark);
    transform: translateY(-2px);
}

/* ===========================
   TARJETA DE ERROR
   =========================== */
.error-card {
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.3s ease-out;
}

.error-card i {
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.error-card ul {
    flex: 1;
    margin: 0;
    padding-left: var(--spacing-md);
}

.error-card li {
    margin: var(--spacing-xs) 0;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
    /* En tablets y móviles, volver a una columna */
    .linky-form {
        grid-template-columns: 1fr;
        grid-template-areas:
            "main"
            "sidebar";
    }
}

@media (max-width: 768px) {
    .linky-container {
        padding: var(--spacing-md);
    }

    .form-card-body {
        padding: var(--spacing-sm);
    }

    .url-container {
        flex-direction: column;
    }

    .btn-copy {
        width: 100%;
    }

    .success-actions {
        flex-direction: column;
    }

    .success-actions .btn {
        width: 100%;
    }

    .video-tabs,
    .audio-tabs {
        flex-direction: column;
        border-bottom: none;
    }

    .tab-btn {
        border-bottom: 2px solid var(--border-color);
    }

    .tab-btn::after {
        bottom: 0;
        left: 0;
        right: auto;
        width: 4px;
        height: 100%;
        transform: scaleY(0);
    }

    .tab-btn.active::after {
        transform: scaleY(1);
    }
}

@media (max-width: 480px) {
    .linky-title {
        font-size: 1.8rem;
    }

    .linky-subtitle {
        font-size: 1rem;
    }

    .file-label {
        padding: var(--spacing-lg);
    }

    .file-label i {
        font-size: 2rem;
    }

    .success-card {
        padding: var(--spacing-lg);
    }

    .success-icon {
        font-size: 3rem;
    }
}