/* CSS Design System based on DESIGN.md (Spasex Inspired) */

/* CSS Variables */
:root {
    --canvas-night: #000000;
    --canvas-night-soft: #0a0a0a;
    --on-primary: #ffffff;
    --on-primary-mute: #f0f0fa;
    --hairline-on-dark: #3a3a3f;
    --ink-mute: #5a5a5f;
    
    --rounded-xs: 4px;
    --rounded-sm: 8px;
    --rounded-md: 16px;
    --rounded-pill: 32px;
    
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 18px;
    --spacing-xl: 24px;
    --spacing-xxl: 32px;
    --spacing-huge: 48px;
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--canvas-night);
    color: var(--on-primary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.32px;
    background-color: var(--canvas-night);
    color: var(--on-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Classes */
.display-xxl {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 80px;
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: 1.6px;
    text-transform: uppercase;
}

.display-xl {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 60px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.display-lg {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 48px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.96px;
    text-transform: uppercase;
}

.body-lg {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: 0.32px;
}

.body-md {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.32px;
}

.button-cap {
    font-size: 13px;
    font-weight: 700;
    line-height: 0.94;
    letter-spacing: 1.17px;
    text-transform: uppercase;
}

.micro-cap {
    font-size: 12px;
    font-weight: 400;
    line-height: 2.0;
    letter-spacing: 0.96px;
    text-transform: uppercase;
}

.caption {
    font-size: 13px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0;
    color: var(--ink-mute);
}

/* Layout Utilities */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 64px 24px;
}

/* Fixed Navigation Overlay */
.nav-bar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--hairline-on-dark);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) 24px;
}

.logo-wordmark {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-item {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--on-primary-mute);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-item:hover {
    color: var(--on-primary);
}

/* Hero Section */
.hero-section {
    padding: var(--spacing-huge) 0;
    max-width: 800px;
    margin-bottom: var(--spacing-huge);
}

.eyebrow {
    color: var(--ink-mute);
    margin-bottom: var(--spacing-xs);
}

.main-title {
    margin-bottom: var(--spacing-md);
}

.subtitle {
    color: var(--on-primary-mute);
    max-width: 600px;
}

/* Buttons */
.button-ghost-on-dark {
    display: inline-block;
    background-color: transparent;
    color: var(--on-primary);
    border: 1px solid var(--on-primary);
    border-radius: var(--rounded-pill);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 13px;
    font-weight: 700;
    line-height: 0.94;
    letter-spacing: 1.17px;
    text-transform: uppercase;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    outline: none;
}

.button-ghost-on-dark:hover {
    background-color: var(--on-primary);
    color: var(--canvas-night);
}

.btn-text-link {
    background: none;
    border: none;
    color: var(--on-primary);
    text-decoration: underline;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
}

.btn-text-link:hover {
    color: var(--on-primary-mute);
}

/* Console & Drag-Drop Card */
.console-section {
    margin-bottom: var(--spacing-huge);
}

.console-card {
    background-color: var(--canvas-night-soft);
    border: 1px solid var(--hairline-on-dark);
    border-radius: var(--rounded-sm);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

/* Drag-Drop Zone */
.drop-zone {
    padding: 64px 24px;
    text-align: center;
    border: 1px dashed var(--hairline-on-dark);
    margin: var(--spacing-md);
    border-radius: var(--rounded-xs);
    cursor: pointer;
    position: relative;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--on-primary);
    background-color: #0d0d0d;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-zone-icon {
    margin-bottom: var(--spacing-md);
    color: var(--ink-mute);
    transition: color 0.3s ease;
}

.drop-zone:hover .drop-zone-icon {
    color: var(--on-primary);
}

.drop-zone-title {
    margin-bottom: var(--spacing-xxs);
    font-weight: 700;
}

.drop-zone-sub {
    margin-bottom: var(--spacing-md);
}

.support-formats {
    font-size: 11px;
}

/* Telemetry Panel (Step 2) */
.telemetry-panel {
    padding: var(--spacing-xl);
}

.telemetry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--hairline-on-dark);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.action-separator {
    color: var(--hairline-on-dark);
    font-size: 12px;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxs);
    border-left: 1px solid var(--hairline-on-dark);
    padding-left: var(--spacing-md);
}

.telemetry-label {
    font-size: 11px;
    letter-spacing: 0.96px;
    color: var(--ink-mute);
    text-transform: uppercase;
}

.telemetry-value {
    font-size: 15px;
    font-weight: 700;
}

.format-badge {
    color: #00ff66; /* Un color técnico sutil para indicar éxito de detección */
}

/* Target format selection */
.target-selection {
    margin-bottom: var(--spacing-xxl);
}

.selection-title {
    margin-bottom: var(--spacing-md);
}

.format-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.format-option-card {
    cursor: pointer;
}

.format-option-card input {
    display: none;
}

.format-option-box {
    display: block;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--canvas-night);
    border: 1px solid var(--hairline-on-dark);
    border-radius: var(--rounded-xs);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.17px;
    transition: all 0.3s ease;
}

.format-option-card input:checked + .format-option-box {
    border-color: var(--on-primary);
    background-color: var(--canvas-night-soft);
    color: var(--on-primary);
}

.format-option-card:hover .format-option-box {
    border-color: var(--on-primary-mute);
}

.action-container {
    display: flex;
    justify-content: flex-end;
}

.action-container .button-ghost-on-dark {
    width: 100%;
}

/* Loader Panel (Step 3) */
.loader-panel {
    padding: 64px 24px;
    text-align: center;
}

.progress-bar-container {
    width: 100%;
    height: 2px;
    background-color: var(--hairline-on-dark);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    width: 30%;
    background-color: var(--on-primary);
    position: absolute;
    animation: loading-bar-run 1.5s infinite linear;
}

.loader-text {
    color: var(--ink-mute);
}

@keyframes loading-bar-run {
    0% {
        left: -30%;
    }
    100% {
        left: 100%;
    }
}

/* Result Panel (Step 4) */
.result-panel {
    padding: 64px var(--spacing-xl);
    text-align: center;
}

.success-icon {
    margin-bottom: var(--spacing-md);
    color: #00ff66;
}

.success-title {
    margin-bottom: var(--spacing-xs);
}

.success-desc {
    color: var(--on-primary-mute);
    max-width: 500px;
    margin: 0 auto var(--spacing-xxl) auto;
}

.result-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.result-actions .button-ghost-on-dark {
    min-width: 280px;
}

/* Specs Section */
.specs-section {
    padding-top: var(--spacing-huge);
}

.section-divider {
    height: 1px;
    background-color: var(--hairline-on-dark);
    margin-bottom: var(--spacing-huge);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.spec-card {
    border-top: 1px solid var(--hairline-on-dark);
    padding-top: var(--spacing-md);
}

.spec-num {
    color: var(--ink-mute);
    font-size: 36px;
    margin-bottom: var(--spacing-xs);
}

.spec-title {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.spec-text {
    color: var(--on-primary-mute);
}

/* Footer Section */
.footer-dark {
    border-top: 1px solid var(--hairline-on-dark);
    padding: var(--spacing-xxl) 24px;
    margin-top: var(--spacing-huge);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxs);
}

.footer-brand .logo-wordmark {
    font-size: 16px;
}

/* Batch File List Styling */
.file-list-wrapper {
    background-color: var(--canvas-night-soft);
    border: 1px solid var(--hairline-on-dark);
    border-radius: var(--rounded-xs);
    margin-bottom: var(--spacing-xxl);
    overflow: hidden;
}

.file-list-header {
    display: grid;
    grid-template-columns: 0.6fr 2fr 1.2fr 1fr 1.2fr 1.2fr 0.6fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: #0c0c0e;
    border-bottom: 1px solid var(--hairline-on-dark);
    align-items: center;
}

.file-list-header div {
    color: var(--ink-mute);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.96px;
}

.file-list {
    max-height: 320px;
    overflow-y: auto;
}

/* Custom Scrollbar for Spasex feel */
.file-list::-webkit-scrollbar {
    width: 6px;
}
.file-list::-webkit-scrollbar-track {
    background: var(--canvas-night);
}
.file-list::-webkit-scrollbar-thumb {
    background: var(--hairline-on-dark);
    border-radius: var(--rounded-xs);
}

.file-item {
    display: grid;
    grid-template-columns: 0.6fr 2fr 1.2fr 1fr 1.2fr 1.2fr 0.6fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--hairline-on-dark);
    align-items: center;
    transition: background-color 0.2s ease;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.file-name {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-format, .file-size, .file-dim {
    font-size: 13px;
    color: var(--on-primary-mute);
}

.file-status {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Status colors and buttons */
.status-pending {
    color: var(--ink-mute);
}

.status-converting {
    color: #ffaa00;
    animation: status-pulse 1.5s infinite ease-in-out;
}

.status-completed {
    color: #00ff66;
}

.status-failed {
    color: #ff3333;
}

@keyframes status-pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.btn-file-download {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    text-decoration: underline;
    color: #00ff66;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 0;
}

.btn-file-download:hover {
    color: #33ff88;
}

/* Previews & Delete Buttons */
.file-preview-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--hairline-on-dark);
    border-radius: var(--rounded-xs);
    background-color: var(--canvas-night);
    overflow: hidden;
}

.file-preview-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--ink-mute);
    font-size: 10px;
    font-weight: 700;
    width: 100%;
    height: 100%;
    background-color: #111113;
}

.btn-delete-item {
    background: none;
    border: none;
    color: var(--ink-mute);
    font-size: 16px;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    border-radius: var(--rounded-sm);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.btn-delete-item:hover {
    color: #ff3333;
    background-color: rgba(255, 51, 51, 0.08);
}

/* Success List Styling */
.success-list-wrapper {
    background-color: var(--canvas-night-soft);
    border: 1px solid var(--hairline-on-dark);
    border-radius: var(--rounded-xs);
    max-width: 600px;
    margin: var(--spacing-xl) auto var(--spacing-xxl) auto;
    overflow: hidden;
    text-align: left;
}

.success-list-header {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #0c0c0e;
    border-bottom: 1px solid var(--hairline-on-dark);
}

.success-list-header span {
    color: var(--ink-mute);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.96px;
}

.success-list {
    max-height: 250px;
    overflow-y: auto;
}

.success-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--hairline-on-dark);
}

.success-item:last-child {
    border-bottom: none;
}

.success-item .success-file-name {
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

/* Responsive Breakpoints (DESIGN.md matching) */

/* Laptop & Tablet (< 1200px) */
@media (max-width: 1200px) {
    .main-content {
        padding-top: 100px;
    }
    .display-xxl {
        font-size: 60px;
    }
    .specs-grid {
        gap: var(--spacing-md);
    }
}

/* Tablet (< 960px) */
@media (max-width: 960px) {
    .display-xxl {
        font-size: 48px;
    }
    .specs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .nav-container {
        padding: var(--spacing-md) 24px;
    }
    .nav-links {
        display: none; /* Simplificado para móviles en esta versión */
    }
    .telemetry-grid {
        grid-template-columns: 1fr;
    }
    .format-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Responsive File List Table */
    .file-list-header {
        display: none; /* Hide header on mobile */
    }
    .file-item {
        display: grid;
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        align-items: start;
        border-bottom: 1px solid var(--hairline-on-dark);
    }
    .file-preview-container {
        grid-row: span 5;
    }
    .file-name {
        grid-column: 2;
        font-size: 14px;
        white-space: normal;
        word-break: break-all;
    }
    .btn-delete-item {
        grid-column: 3;
        grid-row: 1;
        justify-self: end;
    }
    .file-format, .file-size, .file-dim, .file-status {
        grid-column: 2 / span 2;
        font-size: 12px;
    }
    .file-format::before {
        content: "FORMATO: ";
        color: var(--ink-mute);
        font-size: 10px;
        font-weight: 700;
    }
    .file-size::before {
        content: "TAMAÑO: ";
        color: var(--ink-mute);
        font-size: 10px;
        font-weight: 700;
    }
    .file-dim::before {
        content: "DIMENSIONES: ";
        color: var(--ink-mute);
        font-size: 10px;
        font-weight: 700;
    }
    .file-status::before {
        content: "ESTADO: ";
        color: var(--ink-mute);
        font-size: 10px;
        font-weight: 700;
    }
}

/* Small Mobile (< 600px) */
@media (max-width: 600px) {
    .display-xxl {
        font-size: 36px;
    }
    .main-content {
        padding-top: 90px;
    }
}