/* ============================================
   TRANSCRIPTOR - Diseño Minimalista Monocromático
   ============================================ */

/* Reset y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta monocromática refinada */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Colores semánticos */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary: var(--gray-400);
    --border-color: var(--gray-200);
    --border-hover: var(--gray-400);
    
    /* Tipografía */
    --font-heading: 'IBM Plex Serif', Georgia, serif;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Bordes */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Sombras sutiles */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base */
body {
    font-family: var(--font-body);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.header-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.header-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gray-400), transparent);
    animation: headerScan 3s ease-in-out infinite;
}

@keyframes headerScan {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.logo-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-icon {
    font-size: 3rem;
    color: var(--black);
    font-weight: 300;
    position: relative;
    z-index: 2;
    transition: transform var(--transition-base);
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { 
        transform: translateY(0) scale(1);
    }
    50% { 
        transform: translateY(-5px) scale(1.05);
    }
}

.icon-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gray-200) 0%, transparent 70%);
    opacity: 0;
    animation: iconPulse 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes iconPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.2);
    }
}

.logo:hover .header-icon {
    transform: translateY(-5px) scale(1.1);
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.title-main {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 400;
    color: var(--black);
    letter-spacing: -0.03em;
    margin: 0;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
}

.title-word {
    display: inline-block;
    position: relative;
    transition: all var(--transition-base);
    background: linear-gradient(135deg, var(--black) 0%, var(--gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-word:nth-child(1) {
    animation: wordFadeIn 0.8s ease-out 0.1s both;
}

.title-word:nth-child(2) {
    animation: wordFadeIn 0.8s ease-out 0.3s both;
}

.title-word:nth-child(3) {
    animation: wordFadeIn 0.8s ease-out 0.5s both;
}

@keyframes wordFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title-word:hover {
    transform: translateY(-2px);
    filter: brightness(1.2);
}

.title-underline {
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--black), transparent);
    margin-top: var(--spacing-xs);
    animation: underlineExpand 1.2s ease-out 0.8s both;
    position: relative;
}

.title-underline::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--black);
    border-radius: 50%;
    opacity: 0;
    animation: dotAppear 0.5s ease-out 1.5s both;
}

@keyframes underlineExpand {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes dotAppear {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.subtitle {
    font-family: var(--font-body);
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 300;
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    animation: subtitleFadeIn 1s ease-out 1s both;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle-text {
    letter-spacing: 0.02em;
}

.subtitle-highlight {
    font-weight: 600;
    color: var(--black);
    position: relative;
    padding: 0 var(--spacing-xs);
}

.subtitle-highlight::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: left;
    animation: highlightUnderline 0.6s ease-out 1.5s both;
}

@keyframes highlightUnderline {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

.subtitle-highlight::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.subtitle-highlight:hover::after {
    opacity: 1;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Cards base */
.upload-card,
.loading-card,
.metadata-card,
.transcription-card,
.audit-card,
.error-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.upload-card:hover,
.metadata-card:hover,
.transcription-card:hover,
.audit-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

/* Upload Section */
.upload-section {
    margin-top: var(--spacing-sm);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.02), transparent);
    transition: left 0.6s ease;
}

.upload-area:hover::before,
.upload-area.dragover::before {
    left: 100%;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--black);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-icon-wrapper {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.upload-icon {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.icon-background {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gray-100) 0%, transparent 70%);
    opacity: 0;
    animation: iconBgPulse 3s ease-in-out infinite;
}

@keyframes iconBgPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.1);
    }
}

.primary-icon {
    font-size: 4rem;
    color: var(--black);
    font-weight: 300;
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.05);
    }
}

.icon-ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    opacity: 0;
    animation: ripple 2s ease-out infinite;
}

@keyframes ripple {
    0% {
        transform: scale(0.8);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.upload-area:hover .primary-icon {
    transform: translateY(-8px) scale(1.1);
    color: var(--black);
}

.audio-waves {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 40px;
    position: relative;
}

.wave {
    width: 4px;
    background: linear-gradient(180deg, var(--gray-300), var(--gray-500));
    border-radius: 2px;
    animation: wavePulse 1.5s ease-in-out infinite;
    transform-origin: bottom;
}

.wave-1 { 
    height: 20px; 
    animation-delay: 0s;
}
.wave-2 { 
    height: 30px; 
    animation-delay: 0.2s;
}
.wave-3 { 
    height: 25px; 
    animation-delay: 0.4s;
}
.wave-4 { 
    height: 35px; 
    animation-delay: 0.6s;
}
.wave-5 { 
    height: 22px; 
    animation-delay: 0.8s;
}

@keyframes wavePulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 0.7;
    }
    50% {
        transform: scaleY(1.4);
        opacity: 1;
    }
}

.upload-area:hover .wave {
    background: linear-gradient(180deg, var(--gray-500), var(--black));
    animation-duration: 0.8s;
}

.upload-text {
    margin-bottom: var(--spacing-xl);
}

.upload-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 400;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.3;
}

.title-part {
    display: inline-block;
    position: relative;
    transition: all var(--transition-base);
    animation: titleFadeIn 0.8s ease-out both;
}

.title-part:nth-child(1) {
    animation-delay: 0.2s;
}

.title-part:nth-child(2) {
    animation-delay: 0.4s;
}

@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title-part:hover {
    transform: translateY(-2px);
    color: var(--black);
}

.upload-divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-400), transparent);
    margin: var(--spacing-sm) auto;
    animation: dividerExpand 1s ease-out 0.6s both;
}

@keyframes dividerExpand {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60px;
        opacity: 1;
    }
}

.upload-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    animation: subtitleFadeIn 1s ease-out 0.8s both;
}

@keyframes subtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle-part {
    display: inline-block;
    transition: all var(--transition-base);
}

.highlight-word {
    font-weight: 600;
    color: var(--black);
    position: relative;
    padding: 0 0.25rem;
}

.highlight-word::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.upload-area:hover .highlight-word::before {
    transform: scaleX(1);
}

.upload-btn {
    position: relative;
    overflow: hidden;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    min-width: 200px;
    transition: all var(--transition-base);
}

.btn-icon-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
}

.btn-icon {
    font-size: 1.125rem;
    transition: all var(--transition-base);
    animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.btn-text {
    position: relative;
    z-index: 2;
    margin-left: var(--spacing-xs);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.upload-btn:hover .btn-shine {
    left: 100%;
}

.upload-btn:hover .btn-icon {
    transform: translateY(-3px) scale(1.1);
    animation: none;
}

.upload-area.dragover .primary-icon {
    transform: translateY(-10px) scale(1.15);
    color: var(--black);
}

.upload-area.dragover .wave {
    animation-duration: 0.5s;
    background: linear-gradient(180deg, var(--black), var(--gray-600));
}

.upload-area.dragover .upload-title .title-part {
    transform: translateY(-2px);
}

.upload-area.dragover .highlight-word::before {
    transform: scaleX(1);
}

/* File Info */
.file-info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: block !important;
    visibility: visible !important;
    pointer-events: auto !important;
}

.file-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.file-details i {
    font-size: 1.5rem;
    color: var(--black);
}

.file-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.file-name {
    font-weight: 500;
    color: var(--black);
    font-size: 1rem;
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.file-actions {
    margin-top: var(--spacing-md);
    text-align: center;
    display: block !important;
    visibility: visible !important;
    pointer-events: auto !important;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: inherit;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.btn-primary:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

.btn-outline {
    background: transparent;
    color: var(--black);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.btn-danger {
    background: var(--gray-500);
    color: var(--white);
    border-color: var(--gray-500);
}

.btn-danger:hover {
    background: var(--gray-600);
    border-color: var(--gray-600);
}

.btn-small {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
}

.btn i {
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: scale(1.1);
}

/* Loading Section */
.loading-section {
    text-align: center;
}

.loading-animation {
    margin-bottom: var(--spacing-lg);
}

.spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--gray-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.progress-fill {
    height: 100%;
    background: var(--gray-600);
    width: 0%;
    transition: width 0.3s ease;
}

.loading-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.loading-card p {
    color: var(--text-secondary);
}

/* Results Section */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 500;
    margin: 0;
}

.results-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Metadata Card */
.metadata-card {
    position: relative;
    overflow: hidden;
}

.metadata-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.metadata-header-icon {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.metadata-header-icon i {
    font-size: 2rem;
    color: var(--black);
    position: relative;
    z-index: 2;
    animation: iconRotate 3s ease-in-out infinite;
}

@keyframes iconRotate {
    0%, 100% { 
        transform: rotate(0deg) scale(1);
    }
    50% { 
        transform: rotate(5deg) scale(1.1);
    }
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gray-200) 0%, transparent 70%);
    opacity: 0;
    animation: iconGlowPulse 2s ease-in-out infinite;
}

@keyframes iconGlowPulse {
    0%, 100% { 
        opacity: 0;
        transform: scale(0.9);
    }
    50% { 
        opacity: 0.4;
        transform: scale(1.2);
    }
}

.metadata-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.metadata-title .title-word {
    display: inline-block;
    position: relative;
    transition: all var(--transition-base);
    animation: metadataTitleFadeIn 0.8s ease-out both;
}

.metadata-title .title-word:nth-child(1) {
    animation-delay: 0.1s;
}

.metadata-title .title-word:nth-child(2) {
    animation-delay: 0.3s;
}

@keyframes metadataTitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.metadata-title .title-word:hover {
    transform: translateY(-2px);
    color: var(--black);
}

.metadata-title-underline {
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--black), transparent);
    margin-top: var(--spacing-sm);
    animation: metadataUnderlineExpand 1s ease-out 0.5s both;
}

@keyframes metadataUnderlineExpand {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 100px;
        opacity: 1;
    }
}

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.metadata-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: metadataItemFadeIn 0.6s ease-out forwards;
}

.metadata-item:nth-child(1) { animation-delay: 0.1s; }
.metadata-item:nth-child(2) { animation-delay: 0.2s; }
.metadata-item:nth-child(3) { animation-delay: 0.3s; }
.metadata-item:nth-child(4) { animation-delay: 0.4s; }
.metadata-item:nth-child(5) { animation-delay: 0.5s; }
.metadata-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes metadataItemFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.metadata-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.03), transparent);
    transition: left 0.5s ease;
}

.metadata-item:hover::before {
    left: 100%;
}

.metadata-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--black);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-base);
}

.metadata-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--black);
}

.metadata-item:hover::after {
    transform: scaleY(1);
}

.metadata-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-base);
}

.metadata-label i {
    font-size: 0.875rem;
    color: var(--gray-500);
    transition: all var(--transition-base);
    opacity: 0.7;
    width: 16px;
    text-align: center;
}

.metadata-item:hover .metadata-label i {
    color: var(--black);
    opacity: 1;
    transform: scale(1.2) rotate(5deg);
}

.metadata-item:hover .metadata-label {
    color: var(--black);
}

.metadata-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-word;
    transition: all var(--transition-base);
    position: relative;
    padding-left: var(--spacing-md);
}

.metadata-value::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--black);
    transition: height var(--transition-base);
    border-radius: 1px;
}

.metadata-item:hover .metadata-value::before {
    height: 60%;
}

.metadata-item:hover .metadata-value {
    color: var(--black);
    font-weight: 600;
    transform: translateX(4px);
}

/* Transcription Card */
.transcription-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.transcription-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0;
}

.transcription-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.transcription-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 600px;
    overflow-y: auto;
    font-weight: 300;
    scroll-behavior: smooth;
}

.transcription-content p {
    margin-bottom: var(--spacing-md);
}

.speaker-label {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-right: var(--spacing-xs);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.speaker-label.agente {
    background: var(--black);
    color: var(--white);
}

.speaker-label.cliente {
    background: var(--gray-400);
    color: var(--white);
}

.transcription-content::-webkit-scrollbar {
    width: 8px;
}

.transcription-content::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

.transcription-content::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

.transcription-content::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

.transcription-content {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* Error Section */
.error-card {
    text-align: center;
}

.error-icon {
    margin-bottom: var(--spacing-md);
}

.error-icon i {
    font-size: 3rem;
    color: var(--gray-600);
}

.error-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.error-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Footer - Diseño Premium Amb Tu */
.footer {
    margin-top: var(--spacing-2xl);
    position: relative;
    padding: var(--spacing-2xl) 0;
    background: transparent;
}

/* Fondo decorativo con formas geométricas */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(231, 119, 60, 0.08), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(11, 31, 91, 0.08), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Tarjeta principal del footer - estilo premium */
.footer-main {
    background: linear-gradient(135deg, #ffffff 0%, #f5f7ff 60%, #eef2fb 100%);
    border: 1px solid rgba(11, 31, 91, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: 0 24px 60px rgba(11, 31, 91, 0.12);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* Línea decorativa superior naranja */
.footer-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
    animation: footerScan 3s ease-in-out infinite;
}

@keyframes footerScan {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Sección de marca - Destacada */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: relative;
    padding-right: var(--spacing-xl);
    border-right: 2px solid rgba(11, 31, 91, 0.08);
}

.footer-brand::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--brand-orange), transparent);
    opacity: 0.5;
}

/* Logo enlazado */
.footer-logo-link {
    display: inline-block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.footer-logo-link::before {
    content: '';
    position: absolute;
    inset: -8px;
    background: radial-gradient(circle, rgba(231, 119, 60, 0.15), transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.footer-logo-link:hover::before {
    opacity: 1;
}

.footer-logo-link:hover {
    transform: translateY(-4px) scale(1.05);
}

.footer-logo {
    width: 160px;
    height: auto;
    filter: drop-shadow(0 8px 16px rgba(11, 31, 91, 0.15));
    position: relative;
    z-index: 1;
}

/* Tagline */
.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-secondary) !important;
    font-weight: 400;
    line-height: 1.7;
    max-width: 280px;
    margin-top: var(--spacing-xs);
}

/* Badges de características */
.footer-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(11, 31, 91, 0.05), rgba(231, 119, 60, 0.05));
    border: 1px solid rgba(11, 31, 91, 0.1);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    width: fit-content;
}

.badge:hover {
    border-color: var(--brand-orange);
    background: linear-gradient(135deg, rgba(11, 31, 91, 0.08), rgba(231, 119, 60, 0.08));
    transform: translateX(4px);
}

.badge i {
    color: var(--brand-orange);
    font-size: 0.9rem;
}

/* Secciones de información */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-section h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand-navy) !important;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-orange), transparent);
}

.footer-section h4 i {
    color: var(--brand-orange);
    font-size: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-section li {
    margin: 0;
}

.footer-section a,
.footer-section span {
    color: var(--text-secondary) !important;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    padding: 0.4rem 0;
}

.footer-section a:hover {
    color: var(--brand-orange) !important;
    transform: translateX(6px);
}

.footer-section a i,
.footer-section span i {
    color: var(--brand-navy);
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.footer-section a:hover i {
    color: var(--brand-orange);
}

.footer-section p {
    color: var(--text-secondary) !important;
    font-size: 0.9rem;
    line-height: 1.7;
    font-weight: 400;
}

/* Footer bottom - Barra de copyright */
.footer-bottom {
    background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-navy-700) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(11, 31, 91, 0.2);
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
}

/* Copyright */
.footer-copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-weight: 400;
}

.footer-copyright strong {
    color: var(--brand-orange) !important;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(231, 119, 60, 0.3);
}

/* Crédito */
.footer-credit {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7) !important;
    font-style: italic;
    max-width: 500px;
    line-height: 1.5;
}

/* Social icons */
.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.9) !important;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    backdrop-filter: blur(4px);
}

.social-icon:hover {
    background: var(--brand-orange);
    border-color: var(--brand-orange);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 20px rgba(231, 119, 60, 0.4);
    color: #ffffff !important;
}

/* Eliminar elementos decorativos antiguos */
.footer-divider,
.footer-accent {
    display: none;
}

/* Responsive */
@media (max-width: 968px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-brand {
        border-right: none;
        border-bottom: 2px solid rgba(11, 31, 91, 0.08);
        padding-right: 0;
        padding-bottom: var(--spacing-xl);
    }

    .footer-brand::after {
        display: none;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .footer-content {
        padding: 0 var(--spacing-sm);
    }

    .footer-main {
        padding: var(--spacing-xl);
    }

    .footer-logo {
        width: 120px;
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transform: translateX(400px);
    transition: transform var(--transition-base);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    width: 100%;
    gap: var(--spacing-xs);
}

.toast-icon {
    font-size: 1.125rem;
}

.toast-text {
    flex: 1;
}

/* Audit Card */
.audit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.audit-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.audit-status {
    display: flex;
    align-items: center;
}

.audit-badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.audit-section {
    margin-bottom: var(--spacing-lg);
}

.audit-section:last-child {
    margin-bottom: 0;
}

.audit-section h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.audit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.audit-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.audit-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.audit-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Indicador: análisis basado en AUDIO enviado a Gemini */
.audit-fuente-audio {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #93c5fd;
    border-left: 4px solid #2563eb;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}
.audit-fuente-audio-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #2563eb;
    color: white;
    border-radius: var(--radius-md);
}
.audit-fuente-audio-icon i {
    font-size: 1.25rem;
}
.audit-fuente-audio-text strong {
    display: block;
    color: #1e40af;
    margin-bottom: 0.25rem;
}
.audit-fuente-audio-text p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: var(--black);
    border-radius: var(--radius-sm);
    transition: width 1s ease;
}

.metric-score {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}

.quality-category {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.quality-category:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.quality-category-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.quality-subcategory {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--border-color);
}

.quality-subcategory-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.quality-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.quality-question {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.quality-question-text {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.quality-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.quality-justification {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-left: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.quality-subtotal {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-sm);
}

.quality-global-score {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    text-align: center;
}

.global-score-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.global-score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.global-score-level {
    margin-bottom: var(--spacing-md);
}

.level-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-badge.excelente {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.level-badge.bueno {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.level-badge.regular {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.level-badge.deficiente {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.global-score-summary {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.summary-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.summary-title i {
    color: var(--text-secondary);
}

.summary-content {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-primary);
    text-align: left;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--border-color);
}

.audit-list {
    margin-top: var(--spacing-sm);
}

.audit-list ul {
    list-style: none;
    padding-left: 0;
}

.audit-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-primary);
    line-height: 1.6;
}

.audit-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .header-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .logo {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .header-icon {
        font-size: 2.5rem;
    }
    
    .title-main {
        font-size: 2rem;
        flex-direction: column;
        gap: 0;
    }
    
    .title-word {
        display: block;
    }
    
    .subtitle {
        flex-direction: column;
        gap: 0;
    }
    
    .upload-card,
    .loading-card,
    .metadata-card,
    .transcription-card,
    .audit-card,
    .error-card {
        padding: var(--spacing-md);
    }
    
    .results-header,
    .transcription-header,
    .audit-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .metadata-grid,
    .audit-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .metadata-header {
        padding-bottom: var(--spacing-md);
    }
    
    .metadata-title {
        font-size: 1.25rem;
    }
    
    .metadata-header-icon {
        width: 50px;
        height: 50px;
    }
    
    .metadata-header-icon i {
        font-size: 1.5rem;
    }
    
    .toast {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .upload-area {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .upload-title {
        font-size: 1.5rem;
    }
    
    .primary-icon {
        font-size: 3rem;
    }
    
    .upload-icon {
        width: 100px;
        height: 100px;
    }
    
    .upload-btn {
        min-width: 100%;
        padding: 0.875rem 1.5rem;
    }
    
    .upload-subtitle {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ============================================
   Amb Tu - Tema Corporativo
   ============================================ */
:root {
    --brand-navy: #0b1f5b;
    --brand-navy-700: #0a1a4a;
    --brand-navy-800: #071438;
    --brand-orange: #e7773c;
    --brand-orange-600: #d8672f;
    --brand-cream: #f5f7fc;
    --black: var(--brand-navy);
    --bg-secondary: #f2f5fb;
    --bg-tertiary: #e9eef8;
    --text-primary: #0b1f5b;
    --text-secondary: #4b5a7a;
    --text-tertiary: #7a8ab0;
    --border-color: #d6deef;
    --border-hover: #9fb1d6;
    --gray-50: #fbfcff;
    --gray-100: #f6f8fd;
    --gray-200: #e5ecf8;
    --gray-300: #cfd9ef;
    --gray-400: #a6b6d6;
    --gray-500: #7a8ab0;
    --gray-600: #4b5a7a;
    --gray-700: #344264;
    --gray-800: #24324f;
    --gray-900: #141f36;
    --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: ui-monospace, 'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
}

body {
    background: radial-gradient(circle at top right, rgba(231, 119, 60, 0.12), transparent 55%),
        radial-gradient(circle at bottom left, rgba(11, 31, 91, 0.12), transparent 60%),
        var(--bg-secondary);
}

body::before,
body::after {
    content: '';
    position: fixed;
    z-index: -1;
    border-radius: 50%;
    pointer-events: none;
}

body::before {
    width: 320px;
    height: 320px;
    top: -140px;
    right: -140px;
    background: radial-gradient(circle, rgba(231, 119, 60, 0.2), transparent 70%);
}

body::after {
    width: 360px;
    height: 360px;
    bottom: -160px;
    left: -160px;
    background: radial-gradient(circle, rgba(11, 31, 91, 0.18), transparent 70%);
}

.header-content {
    background: linear-gradient(135deg, #ffffff 0%, #f5f7ff 60%, #eef2fb 100%);
    border: 1px solid rgba(11, 31, 91, 0.1);
    box-shadow: 0 24px 60px rgba(11, 31, 91, 0.12);
}

.header-content::before {
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
}

.logo {
    gap: var(--spacing-xl);
}

.logo-icon-wrapper {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(11, 31, 91, 0.08), transparent 70%);
    border-radius: 50%;
}

.brand-logo {
    width: 120px;
    height: auto;
    display: block;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 12px 24px rgba(11, 31, 91, 0.2));
}

.brand-line {
    display: flex;
    gap: 0.35rem;
    justify-content: center;
    align-items: baseline;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.brand-name {
    color: var(--brand-navy);
}

.brand-accent {
    color: var(--brand-orange);
}

.title-main {
    font-weight: 600;
    font-size: 2.9rem;
}

.title-word {
    background: linear-gradient(135deg, #051439 0%, #0b1f5b 50%, #1a3a8a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(5, 20, 57, 0.1);
}

.title-word:last-child {
    background: linear-gradient(135deg, #051439 0%, #0b1f5b 50%, var(--brand-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(5, 20, 57, 0.1);
}

.title-underline {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
}

.title-underline::after {
    background: var(--brand-orange);
}

.subtitle {
    font-weight: 400;
}

.subtitle-highlight {
    color: var(--brand-orange);
}

.subtitle-highlight::before {
    background: var(--brand-orange);
}

.upload-area {
    border-color: rgba(11, 31, 91, 0.2);
    background: linear-gradient(135deg, #f9faff 0%, #f1f5ff 100%);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--brand-orange);
    box-shadow: 0 16px 30px rgba(11, 31, 91, 0.12);
}

.primary-icon {
    color: var(--brand-navy);
}

.upload-area:hover .primary-icon,
.upload-area.dragover .primary-icon {
    color: var(--brand-orange);
}

.wave {
    background: linear-gradient(180deg, var(--brand-navy), var(--brand-orange));
}

.upload-area:hover .wave {
    background: linear-gradient(180deg, var(--brand-orange), var(--brand-navy));
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-navy), var(--brand-navy-700));
    border-color: transparent;
    box-shadow: 0 12px 24px rgba(11, 31, 91, 0.18);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-navy-700), var(--brand-orange));
    border-color: transparent;
}

.btn-outline {
    color: var(--brand-navy);
    border-color: rgba(11, 31, 91, 0.2);
}

.btn-outline:hover {
    background: var(--brand-navy);
    border-color: var(--brand-navy);
}

.btn-secondary {
    border-color: rgba(11, 31, 91, 0.2);
}

.progress-fill {
    background: linear-gradient(90deg, var(--brand-navy), var(--brand-orange));
}

.metadata-header-icon i {
    color: var(--brand-orange);
}

.metadata-item::after {
    background: var(--brand-orange);
}

.metadata-item:hover {
    border-color: var(--brand-orange);
}

.metric-fill {
    background: linear-gradient(90deg, var(--brand-navy), var(--brand-orange));
}

.speaker-label.agente {
    background: var(--brand-navy);
}

.speaker-label.cliente {
    background: var(--brand-orange);
}

.toast {
    border-color: rgba(231, 119, 60, 0.4);
}

.footer-content strong {
    color: var(--brand-navy);
}