:root {
    --bg-color: #faf9f6;
    /* Off-white / Cream */
    --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;
    --shadow-offset: 4px;
    --danger-color: #fca5a5;
    /* Pastel Red */
}

body {
    font-family: 'Nunito Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    background-image:
        radial-gradient(var(--border-color) 0.5px, transparent 0.5px);
    background-size: 20px 20px;
}

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

/* Brutalist Common Styles */
.brutalist-card {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--border-color);
    padding: 25px;
    margin-bottom: 30px;
}

.brutalist-button {
    background: var(--accent-color);
    border: var(--border-width) solid var(--border-color);
    padding: 12px 24px;
    color: var(--text-color);
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 4px 4px 0px var(--border-color);
    transition: all 0.1s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
}

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

.brutalist-button:active,
.brutalist-button.active {
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--border-color);
}

.brutalist-button.secondary-btn {
    background: var(--accent-secondary);
}

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

.brutalist-input {
    background: white;
    border: var(--border-width) solid var(--border-color);
    padding: 12px 15px;
    box-shadow: 3px 3px 0px var(--border-color);
    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(--accent-tertiary);
    /* Lavender Header */
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--border-color);
}

.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(--border-color);
    color: white;
    padding: 5px 15px;
}

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

/* 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: white;
    padding: 20px;
    border: var(--border-width) solid var(--border-color);
    box-shadow: 6px 6px 0px var(--border-color);
    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: 15px;
    background: white;
    border: var(--border-width) solid var(--border-color);
}

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

/* 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: white;
}

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

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