/* Audio Transcriber - Hand-Drawn Theme */

/* CSS Variables - Hand-Drawn Design System */
:root {
    /* Color palette - Warm paper with pencil accents */
    --color-bg-primary: #fdfbf7;
    --color-bg-card: #ffffff;
    --color-bg-muted: #e5e0d8;

    --color-foreground: #2d2d2d;
    --color-accent: #ff4d4d;
    --color-accent-secondary: #2d5da1;
    --color-border: #2d2d2d;

    --color-text-primary: #2d2d2d;
    --color-text-secondary: #5a5a5a;
    --color-text-muted: rgba(45, 45, 45, 0.5);

    --color-success: #22c55e;
    --color-error: #ff4d4d;
    --color-warning: #f59e0b;

    /* Typography */
    --font-heading: 'Kalam', cursive;
    --font-body: 'Patrick Hand', cursive;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Wobbly border-radius values */
    --radius-wobbly: 255px 15px 225px 15px / 15px 225px 15px 255px;
    --radius-wobbly-md: 30px 155px 40px 185px / 150px 30px 180px 25px;
    --radius-wobbly-sm: 15px 75px 20px 90px / 75px 15px 85px 12px;
    --radius-wobbly-btn: 225px 20px 185px 15px / 15px 180px 15px 225px;

    /* Shadows - Hard offset, no blur */
    --shadow-md: 4px 4px 0px 0px #2d2d2d;
    --shadow-lg: 6px 6px 0px 0px #2d2d2d;
    --shadow-sm: 3px 3px 0px 0px rgba(45, 45, 45, 0.15);
    --shadow-hover: 2px 2px 0px 0px #2d2d2d;
    --shadow-none: 0px 0px 0px 0px #2d2d2d;

    /* Transitions */
    --transition-fast: 100ms ease;
    --transition-normal: 150ms ease;
}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Paper texture background - dot pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(var(--color-bg-muted) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: -1;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 3px dashed var(--color-border);
    margin-bottom: var(--spacing-2xl);
}

.app-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-foreground);
    transform: rotate(-1deg);
    position: relative;
}

/* Squiggly underline on title */
.app-title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
    border-radius: var(--radius-wobbly-sm);
}

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

.user-email {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

/* Buttons - Hand-drawn style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 400;
    border: 3px solid var(--color-border);
    border-radius: var(--radius-wobbly-btn);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-hover);
    transform: translate(2px, 2px);
}

.btn-primary:active:not(:disabled) {
    box-shadow: var(--shadow-none);
    transform: translate(4px, 4px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-accent-secondary);
    color: white;
    box-shadow: var(--shadow-hover);
    transform: translate(2px, 2px);
}

.btn-secondary:active:not(:disabled) {
    box-shadow: var(--shadow-none);
    transform: translate(4px, 4px);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke-width: 2.5;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Login Section */
.login-section {
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px) rotate(-1deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(-1deg);
    }
}

.login-card {
    background: var(--color-bg-card);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-wobbly-md);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: rotate(-1deg);
}

/* Tape decoration on login card */
.login-card::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
    width: 80px;
    height: 24px;
    background: rgba(200, 200, 200, 0.6);
    border-radius: 4px;
}

.login-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-accent);
    background: var(--color-bg-muted);
    border-radius: 50%;
    padding: var(--spacing-md);
    border: 3px solid var(--color-border);
    transform: rotate(3deg);
}

.login-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2;
}

.login-card h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.login-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-base);
}

/* Login Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: left;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 700;
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-wobbly-btn);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    background: var(--color-bg-card);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    min-height: 1.2em;
}

.login-error {
    background: rgba(255, 77, 77, 0.1);
    border: 2px dashed var(--color-error);
    border-radius: var(--radius-wobbly-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.login-link {
    color: var(--color-accent-secondary);
    font-size: var(--font-size-sm);
    text-decoration: underline;
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font-body);
}

.login-link:hover {
    color: var(--color-accent);
}

.login-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 2px;
    background: var(--color-bg-muted);
    border-radius: 2px;
}

/* Loading spinner */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-bg-muted);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Upload Section */
.upload-section {
    width: 100%;
    max-width: 750px;
    animation: fadeInUp 0.4s ease-out;
}

/* Drop Zone - Sketchy border */
.drop-zone {
    border: 3px dashed var(--color-border);
    border-radius: var(--radius-wobbly-md);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    text-align: center;
    background: var(--color-bg-card);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-accent);
    background: #fff9f9;
    transform: rotate(0.5deg);
}

.drop-zone.drag-over {
    box-shadow: var(--shadow-md);
    border-style: solid;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.drop-icon {
    width: 72px;
    height: 72px;
    color: var(--color-accent);
    stroke-width: 2;
    transition: transform var(--transition-normal);
}

.drop-zone:hover .drop-icon {
    transform: translateY(-4px) rotate(-5deg);
}

.drop-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-weight: 700;
}

.drop-subtext {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.file-browse-btn {
    margin-top: var(--spacing-sm);
}

.supported-formats {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-lg);
}

/* Progress Section */
.progress-section {
    margin-top: var(--spacing-xl);
    width: 100%;
    animation: fadeInUp 0.3s ease-out;
}

.progress-card {
    background: var(--color-bg-card);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-wobbly-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transform: rotate(0.5deg);
}

.file-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.file-icon {
    width: 52px;
    height: 52px;
    background: var(--color-bg-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-secondary);
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.file-icon svg {
    width: 26px;
    height: 26px;
    stroke-width: 2.5;
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-base);
}

.file-size {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Progress bar - Sketchy style */
.progress-bar-container {
    height: 16px;
    background: var(--color-bg-muted);
    border-radius: var(--radius-wobbly-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--color-border);
}

.progress-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-wobbly-sm);
    width: 0%;
    transition: width 0.5s ease-out;
    position: relative;
}

/* Sketchy stripes on progress bar */
.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 8px,
        rgba(255, 255, 255, 0.2) 8px,
        rgba(255, 255, 255, 0.2) 16px
    );
}

.progress-status {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
    min-height: 1.5em;
    transition: all 0.3s ease;
}

/* Pulsing animation for transcription status */
.progress-status.processing {
    color: var(--color-accent);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Chunk progress indicator - Hand-drawn dots */
.chunk-progress {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.chunk-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-bg-muted);
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
}

.chunk-dot.completed {
    background: var(--color-success);
    border-color: var(--color-border);
    transform: scale(1.1);
}

.chunk-dot.active {
    background: var(--color-accent);
    border-color: var(--color-border);
    animation: chunkPulse 1s ease-in-out infinite;
}

@keyframes chunkPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.4); }
}

/* Results Section */
.results-section {
    margin-top: var(--spacing-xl);
    width: 100%;
    animation: fadeInUp 0.3s ease-out;
}

.results-card {
    background: var(--color-bg-card);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-wobbly-md);
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: rotate(-0.5deg);
}

/* Tape decoration on results card */
.results-card::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%) rotate(-1deg);
    width: 70px;
    height: 22px;
    background: rgba(34, 197, 94, 0.5);
    border-radius: 4px;
}

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

.success-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-success);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.success-badge svg {
    width: 24px;
    height: 24px;
    stroke-width: 3;
}

.export-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.transcription-preview {
    margin-bottom: var(--spacing-lg);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.preview-header h4 {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.transcription-text {
    background: var(--color-bg-primary);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-wobbly-sm);
    padding: var(--spacing-lg);
    max-height: 280px;
    min-height: 100px;
    overflow-y: auto;
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Error Section */
.error-section {
    margin-top: var(--spacing-xl);
    width: 100%;
    animation: fadeInUp 0.3s ease-out;
}

.error-card {
    background: var(--color-bg-card);
    border: 3px solid var(--color-error);
    border-radius: var(--radius-wobbly-md);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: rotate(1deg);
}

.error-icon {
    width: 60px;
    height: 60px;
    color: var(--color-error);
    margin-bottom: var(--spacing-md);
    stroke-width: 2.5;
}

.error-card h3 {
    font-family: var(--font-heading);
    color: var(--color-error);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.error-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* Footer */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 3px dashed var(--color-border);
}

.app-footer p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.accent-text {
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Scrollbar styling - Keep it subtle */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-muted);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 10px;
    border: 2px solid var(--color-bg-muted);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 640px) {
    .app-container {
        padding: var(--spacing-md);
    }

    .app-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .app-title {
        transform: rotate(0deg);
    }

    .login-card {
        transform: rotate(0deg);
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .results-header {
        flex-direction: column;
        align-items: stretch;
    }

    .export-buttons {
        flex-direction: column;
    }

    .drop-zone {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .results-card,
    .progress-card,
    .error-card {
        transform: rotate(0deg);
    }
}