/* --- THEME 1: Techno-Retro (Neo-Brutalist) - Default --- */
:root,
html[data-theme="neo-brutalist"] {
    --bg-color: #faf9f6;
    --card-bg: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #fef08a;
    /* Soft Pastel Yellow */
    --accent-secondary: #bbf7d0;
    /* Soft Mint Green */
    --accent-tertiary: #e9d5ff;
    /* Soft Lavender */
    --border-color: #1a1a1a;
    --border-width: 2.5px;
    --card-radius: 0px;
    --input-radius: 0px;
    --btn-radius: 0px;
    --shadow-offset: 4px;
    --shadow-card: 4px 4px 0px var(--border-color);
    --shadow-btn: 4px 4px 0px var(--border-color);
    --shadow-btn-hover: 6px 6px 0px var(--border-color);
    --shadow-input: 3px 3px 0px var(--border-color);
    --danger-color: #fca5a5;
    --bg-image: radial-gradient(var(--border-color) 0.5px, transparent 0.5px);
    --bg-size: 20px 20px;
    --header-bg: var(--accent-tertiary);
    --btn-text-color: #1a1a1a;
    --sec-btn-text-color: #1a1a1a;
    --h1-bg: #1a1a1a;
    --h1-color: #ffffff;
    --repo-card-bg: #fef9c3;
    --progress-bg: #ffffff;
    --progress-fill: #bbf7d0;
}

/* --- THEME 2: Claro y Práctico (Clean & Practical) --- */
html[data-theme="clean-light"] {
    --bg-color: #f8fafc;
    /* Slate 50 */
    --card-bg: #ffffff;
    --text-color: #0f172a;
    /* Slate 900 */
    --accent-color: #7ecdc6;
    /* Primary Indigo Blue */
    --accent-secondary: #e2e8f0;
    /* Soft Slate 200 Secondary */
    --accent-tertiary: #f1f5f9;
    /* Slate 100 Header */
    --border-color: #cbd5e1;
    /* Slate 300 Border */
    --border-width: 1px;
    --card-radius: 10px;
    --input-radius: 6px;
    --btn-radius: 6px;
    --shadow-offset: 0px;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
    --shadow-btn: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-btn-hover: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-input: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --danger-color: #ef4444;
    --bg-image: none;
    --bg-size: auto;
    --header-bg: #ffffff;
    --btn-text-color: #ffffff;
    --sec-btn-text-color: #0f172a;
    --h1-bg: #7ecdc6;
    --h1-color: #ffffff;
    --repo-card-bg: #ffffff;
    --progress-bg: #e2e8f0;
    --progress-fill: #7ecdc6;
}

/* --- THEME 3: Tierra Cálida (Warm Earth) --- */
html[data-theme="warm-earth"] {
    --bg-color: #FDF6EF;           /* Seashell warm background */
    --card-bg: #FFFFFF;            /* Pure white card background */
    --text-color: #3B1402;         /* Deep Brandy/Espresso text */
    --accent-color: #842604;       /* Brandy for primary buttons/CTAs */
    --accent-secondary: #ECC38D;   /* Apricot Cream for secondary elements */
    --accent-tertiary: #CECB32;    /* Golden Glow for accents & badges */
    --border-color: #75752B;       /* Olive green border */
    --border-width: 2px;
    --card-radius: 8px;
    --input-radius: 6px;
    --btn-radius: 6px;
    --shadow-offset: 3px;
    --shadow-card: 3px 3px 0px rgba(117, 117, 43, 0.35);
    --shadow-btn: 2.5px 2.5px 0px #75752B;
    --shadow-btn-hover: 4px 4px 0px #75752B;
    --shadow-input: 2px 2px 0px rgba(117, 117, 43, 0.25);
    --danger-color: #842604;
    --bg-image: radial-gradient(#75752B 0.5px, transparent 0.5px);
    --bg-size: 24px 24px;
    --header-bg: #ECC38D;           /* Apricot Cream header */
    --btn-text-color: #ffffff;      /* White text on Brandy button */
    --sec-btn-text-color: #3B1402;  /* Dark text on Apricot button */
    --h1-bg: #842604;               /* Brandy title badge */
    --h1-color: #ffffff;            /* White H1 text */
    --repo-card-bg: #FFFDF9;
    --progress-bg: #ECC38D;
    --progress-fill: #842604;
}

body {
    font-family: 'Nunito Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    background-image: var(--bg-image);
    background-size: var(--bg-size);
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
}

/* Common Styles */
.brutalist-card {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    padding: 25px;
    margin-bottom: 30px;
}

.brutalist-button {
    background: var(--accent-color);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--btn-radius);
    padding: 10px 20px;
    color: var(--btn-text-color);
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: var(--shadow-btn);
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
}

.brutalist-button:hover {
    transform: translate(-1px, -1px);
    box-shadow: var(--shadow-btn-hover);
}

.brutalist-button:active,
.brutalist-button.active {
    transform: translate(1px, 1px);
    box-shadow: none;
}

.brutalist-button.secondary-btn {
    background: var(--accent-secondary);
    color: var(--sec-btn-text-color, var(--text-color));
}

.brutalist-button.danger-btn {
    background: var(--danger-color);
    color: white;
}

.brutalist-input {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--input-radius);
    padding: 12px 15px;
    box-shadow: var(--shadow-input);
    color: var(--text-color);
    outline: none;
    font-size: 14px;
    font-weight: 600;
}

/* Header & Navigation */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    gap: 20px;
    background: var(--header-bg);
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

h1 {
    font-weight: 900;
    letter-spacing: -1.5px;
    margin: 0;
    white-space: nowrap;
    text-transform: uppercase;
    font-style: italic;
    background: var(--h1-bg, #1a1a1a);
    color: var(--h1-color, #ffffff);
    padding: 5px 15px;
    border-radius: var(--btn-radius);
}

.button-link {
    text-decoration: none;
}

/* Progress Bars */
#progress-container {
    flex-grow: 1;
    max-width: 400px;
    margin: 0 20px;
    background: white;
    border: var(--border-width) solid var(--border-color);
    height: 24px;
    position: relative;
    box-shadow: 4px 4px 0px var(--border-color);
}

#progress-bar {
    background: var(--accent-color);
    height: 100%;
    width: 0%;
    border-right: var(--border-width) solid var(--border-color);
    transition: width 0.3s ease;
}

#progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 900;
    color: var(--text-color);
    text-transform: uppercase;
}

/* Landing Page Project List */
.project-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.project-item {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    gap: 25px;
}

.project-info {
    flex: 1;
}

.project-info strong {
    display: block;
    font-size: 1.2em;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.project-progress-mini {
    width: 150px;
    height: 14px;
    background: var(--progress-bg, #ffffff);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--input-radius);
    overflow: hidden;
}

.mini-bar {
    height: 100%;
    background: var(--progress-fill, var(--accent-secondary));
}

.repo-preview-card {
    background: var(--repo-card-bg, var(--card-bg)) !important;
}

.repo-stat-box {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--input-radius);
    box-shadow: var(--shadow-btn);
    padding: 6px 4px;
}

/* Stage Layouts */
.stage {
    display: none;
}

.audio-metadata {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 1em;
    font-weight: 800;
    background: var(--accent-color);
    padding: 10px;
    border: 2px solid black;
}



.segmentation-settings {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Split Panel for Stage 2 */
.split-layout {
    display: flex;
    gap: 30px;
    min-height: 650px;
    height: auto;
}

.left-panel,
.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    /* Breaks WaveSurfer canvas infinite width expansion loop */
}

#waveform-full,
#waveform-segment {
    padding: 15px;
    border: var(--border-width) solid var(--border-color);
    background: white;
    box-shadow: 3px 3px 0px var(--border-color);
    margin: 25px 0;
    max-width: 100%;
    overflow: hidden;
    /* Prevents nested canvas elements from overflowing or stretching the block */
}

.text-editor {
    flex-grow: 1;
    border: var(--border-width) solid var(--border-color);
    padding: 25px;
    overflow-y: auto;
    background: white;
    box-shadow: 8px 8px 0px var(--border-color);
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 18px;
    color: black;
    font-weight: 500;
}

#segment-info {
    margin: 15px 0;
    font-weight: 900;
    text-align: center;
    font-size: 1.2em;
    text-transform: uppercase;
}

/* Utility Classes */
.loader {
    border: 4px solid var(--bg-color);
    border-top: 4px solid black;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.region-label {
    position: absolute;
    bottom: 5px;
    left: 5px;
    font-size: 12px;
    background: black;
    color: var(--accent-color);
    padding: 2px 8px;
    font-weight: 900;
    border: 1px solid black;
}

.segment-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.navigation-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    padding-top: 20px;
}

.nav-large {
    flex: 1;
    max-width: 140px;
    padding: 15px;
}

.speed-controls {
    display: flex;
    gap: 0;
    border: var(--border-width) solid var(--border-color);
}

.speed-btn {
    box-shadow: none;
    border: none;
    border-right: var(--border-width) solid var(--border-color);
    border-radius: 0;
    background: var(--accent-secondary);
    color: var(--sec-btn-text-color, var(--text-color));
}

.speed-btn:last-child {
    border-right: none;
}

.speed-btn.active {
    background: var(--accent-color);
    color: var(--btn-text-color, #ffffff);
    transform: none;
    box-shadow: none;
}

/* Modal for Alignments Overview */
.brutalist-modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.brutalist-modal-content {
    width: 90%;
    max-width: 900px;
    height: 85vh;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    box-shadow: 8px 8px 0px var(--border-color);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--accent-tertiary);
    padding: 15px 25px;
    border-bottom: var(--border-width) solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.modal-close-x {
    padding: 5px 10px;
    font-size: 16px;
    box-shadow: 2px 2px 0px var(--border-color);
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex-grow: 1;
    background-color: var(--bg-color);
    background-image: radial-gradient(var(--border-color) 0.5px, transparent 0.5px);
    background-size: 20px 20px;
}

.alignments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.alignment-block {
    background: white;
    border: var(--border-width) solid var(--border-color);
    padding: 20px;
    position: relative;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.alignment-block.aligned {
    box-shadow: 4px 4px 0px var(--border-color);
    background: white;
}

.alignment-block.aligned:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--border-color);
}

.alignment-block.unaligned {
    border-style: dashed;
    background: rgba(0, 0, 0, 0.02);
    box-shadow: none;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 10px;
}

.block-badge {
    font-size: 12px;
    font-weight: 900;
    background: var(--accent-secondary);
    color: var(--text-color);
    padding: 4px 10px;
    border: var(--border-width) solid var(--border-color);
    text-transform: uppercase;
    display: inline-block;
}

.block-badge.unaligned-badge {
    background: var(--accent-color);
}

.block-actions {
    display: flex;
    gap: 8px;
}

.block-btn {
    padding: 6px 12px;
    font-size: 12px;
    box-shadow: 2px 2px 0px var(--border-color);
}

.block-text {
    font-size: 16px;
    line-height: 1.6;
    white-space: pre-wrap;
    color: var(--text-color);
}

.alignment-block.unaligned .block-text {
    color: #555;
    font-style: normal;
    font-weight: 500;
}

/* Inline Highlights for Usability Upgrade */
.inline-highlight {
    padding: 3px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline;
    position: relative;
    margin: 0 1px;
}

.inline-highlight.aligned {
    background-color: #f3e8ff;
    /* Soft pastel lavender purple */
    border: 1.5px solid #d8b4fe;
    color: #5b21b6;
    box-shadow: 2px 2px 0px var(--border-color);
}

.inline-highlight.aligned:hover {
    background-color: #e0f2fe;
    /* Light sky blue */
    border-color: #7dd3fc;
    color: #0369a1;
}

.inline-highlight.active {
    background-color: var(--accent-color);
    /* Bright yellow */
    border: 2.5px solid var(--border-color);
    color: var(--text-color);
    font-weight: 800;
    box-shadow: 4px 4px 0px var(--border-color);
}

/* Inline tooltips/tags for segment indicators */
.inline-highlight::after {
    content: attr(title);
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    background: black;
    color: white;
    padding: 2px 6px;
    border: 1px solid var(--border-color);
    margin-left: 6px;
    vertical-align: middle;
    display: inline-block;
    line-height: 1.2;
    box-shadow: 1px 1px 0px var(--border-color);
}

.inline-highlight.active::after {
    background: var(--accent-secondary);
    /* Soft mint green */
    color: var(--text-color);
    border: 1.5px solid var(--border-color);
    box-shadow: 1.5px 1.5px 0px var(--border-color);
}