/* ============================================
   BENTO GRID + HAND-DRAWN STYLE
   Playful, organic, sketchy aesthetic
   ============================================ */

/* CSS Variables */
:root {
    --bg-cream: #fef9f3;
    --bg-white: #ffffff;
    --text-dark: #2d2d2d;
    --text-gray: #666666;
    --accent-blue: #4a90e2;
    --accent-purple: #9b59b6;
    --accent-pink: #ff6b9d;
    --accent-yellow: #ffd93d;
    --accent-green: #6bcf7f;
    --border-sketch: #2d2d2d;
    --shadow-soft: rgba(0, 0, 0, 0.08);
    
    --font-handwritten: 'Caveat', cursive;
    --font-casual: 'Patrick Hand', cursive;
    --font-indie: 'Indie Flower', cursive;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    --border-radius: 24px;
}

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

body {
    font-family: var(--font-casual);
    background: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 18px;
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,0,0,0.02) 2px, rgba(0,0,0,0.02) 4px);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* Header */
.header-box {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--border-radius);
    border: 3px solid var(--text-dark);
    box-shadow: 
        8px 8px 0 rgba(0, 0, 0, 0.1),
        0 4px 20px var(--shadow-soft);
    position: relative;
    transform: rotate(-0.5deg);
    animation: float-gentle 6s ease-in-out infinite;
}

@keyframes float-gentle {
    0%, 100% { transform: rotate(-0.5deg) translateY(0); }
    50% { transform: rotate(-0.5deg) translateY(-5px); }
}

.doodle-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-purple);
    opacity: 0.6;
}

.doodle-corner.top-left {
    top: -10px;
    left: -10px;
    border-right: none;
    border-bottom: none;
    border-radius: 8px 0 0 0;
}

.doodle-corner.top-right {
    top: -10px;
    right: -10px;
    border-left: none;
    border-bottom: none;
    border-radius: 0 8px 0 0;
}

.main-title {
    font-family: var(--font-handwritten);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.main-title i {
    width: 48px;
    height: 48px;
    color: var(--accent-yellow);
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.subtitle {
    font-family: var(--font-indie);
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

.doodle-underline {
    width: 200px;
    height: 3px;
    background: var(--accent-pink);
    margin: 0 auto;
    border-radius: 2px;
    transform: rotate(-1deg);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Bento Box Base */
.bento-box {
    background: var(--bg-white);
    border: 3px solid var(--border-sketch);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 
        6px 6px 0 rgba(0, 0, 0, 0.1),
        0 4px 20px var(--shadow-soft);
    position: relative;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bento-box:hover {
    transform: translateY(-4px) rotate(0.5deg);
    box-shadow: 
        8px 8px 0 rgba(0, 0, 0, 0.15),
        0 8px 30px var(--shadow-soft);
}

.bento-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px dashed var(--border-sketch);
    border-radius: var(--border-radius);
    opacity: 0.3;
    pointer-events: none;
}

/* Box Header */
.box-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px dashed var(--border-sketch);
}

.box-header i {
    width: 28px;
    height: 28px;
    stroke-width: 2.5;
}

.box-header h2 {
    font-family: var(--font-handwritten);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.box-content {
    position: relative;
}

/* Grid Layouts */
.api-box {
    grid-column: span 7;
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    transform: rotate(-0.5deg);
}

.upload-box {
    grid-column: span 5;
    background: linear-gradient(135deg, #fff 0%, #fff8f0 100%);
    transform: rotate(0.5deg);
}

.action-box {
    grid-column: span 8;
    background: linear-gradient(135deg, #fff 0%, #f0fff4 100%);
    transform: rotate(-0.3deg);
}

.info-box {
    grid-column: span 4;
    background: linear-gradient(135deg, #fff 0%, #fff0f8 100%);
    transform: rotate(0.3deg);
}

.loading-box {
    grid-column: span 12;
    background: linear-gradient(135deg, #fff 0%, #fffbf0 100%);
}

.results-box {
    grid-column: span 12;
    background: linear-gradient(135deg, #fff 0%, #f0f8ff 100%);
}

.error-box {
    grid-column: span 12;
    background: linear-gradient(135deg, #fff 0%, #fff0f0 100%);
}

/* Sketch Label */
.sketch-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-indie);
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.sketch-label i {
    width: 20px;
    height: 20px;
}

/* Input Group */
.input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.sketch-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-casual);
    font-size: 1rem;
    border: 2px solid var(--border-sketch);
    border-radius: 12px;
    background: var(--bg-white);
    color: var(--text-dark);
    transition: all 0.3s ease;
    box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.05);
}

.sketch-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 
        inset 2px 2px 4px rgba(0, 0, 0, 0.05),
        0 0 0 3px rgba(74, 144, 226, 0.2);
    transform: scale(1.02);
}

.icon-btn {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-sketch);
    border-radius: 12px;
    background: var(--bg-white);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--accent-yellow);
    transform: rotate(-5deg) scale(1.1);
}

.icon-btn i {
    width: 20px;
    height: 20px;
}

/* Status Badge */
.status-badge {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-family: var(--font-indie);
    font-size: 0.95rem;
    display: inline-block;
}

.status-badge.success {
    background: var(--accent-green);
    color: white;
    border: 2px solid var(--text-dark);
}

.status-badge.error {
    background: var(--accent-pink);
    color: white;
    border: 2px solid var(--text-dark);
}

/* Doodle Stars */
.doodle-stars {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--accent-purple);
    opacity: 0.6;
    animation: twinkle 3s ease-in-out infinite;
}

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

/* Upload Area */
.upload-area {
    border: 3px dashed var(--border-sketch);
    border-radius: 16px;
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-cream);
    position: relative;
}

.upload-area:hover,
.upload-area.drag-over {
    background: var(--accent-yellow);
    border-color: var(--text-dark);
    transform: scale(1.02) rotate(-1deg);
}

.upload-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.upload-icon {
    width: 64px;
    height: 64px;
    stroke-width: 2;
    color: var(--accent-blue);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.doodle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 2px dashed var(--accent-purple);
    border-radius: 50%;
    opacity: 0.4;
    animation: rotate-slow 20s linear infinite;
}

@keyframes rotate-slow {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.upload-text {
    font-family: var(--font-handwritten);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-hint {
    font-family: var(--font-indie);
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.file-types {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.type-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-white);
    border: 2px solid var(--border-sketch);
    border-radius: 12px;
    font-family: var(--font-indie);
    font-size: 0.9rem;
    font-weight: bold;
    transform: rotate(-2deg);
}

.type-badge:nth-child(2) {
    transform: rotate(1deg);
}

.type-badge:nth-child(3) {
    transform: rotate(-1deg);
}

/* File Card */
.file-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-cream);
    border: 2px solid var(--border-sketch);
    border-radius: 16px;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.1);
}

.file-card i {
    width: 32px;
    height: 32px;
    color: var(--accent-green);
    flex-shrink: 0;
}

.file-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-name {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

.file-size {
    font-family: var(--font-indie);
    font-size: 0.9rem;
    color: var(--text-gray);
}

.remove-btn {
    padding: var(--spacing-xs);
    border: 2px solid var(--border-sketch);
    border-radius: 50%;
    background: var(--accent-pink);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-btn:hover {
    transform: rotate(90deg) scale(1.1);
    background: var(--text-dark);
}

.remove-btn i {
    width: 20px;
    height: 20px;
}

/* Analyze Button */
.analyze-btn {
    width: 100%;
    padding: var(--spacing-lg);
    font-family: var(--font-handwritten);
    font-size: 2rem;
    font-weight: 700;
    color: white;
    background: var(--accent-blue);
    border: 3px solid var(--text-dark);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.analyze-btn:hover:not(:disabled) {
    background: var(--accent-purple);
    transform: translateY(-4px) rotate(-1deg);
    box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
}

.analyze-btn:active:not(:disabled) {
    transform: translateY(0) rotate(0deg);
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
}

.analyze-btn:disabled {
    background: var(--text-gray);
    cursor: not-allowed;
    opacity: 0.5;
}

.analyze-btn i {
    width: 32px;
    height: 32px;
    animation: zap 1.5s ease-in-out infinite;
}

@keyframes zap {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.btn-doodle {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent-yellow);
    border-radius: 50%;
    opacity: 0.6;
}

.action-hint {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-cream);
    border: 2px dashed var(--border-sketch);
    border-radius: 12px;
    font-family: var(--font-indie);
    font-size: 0.95rem;
    color: var(--text-gray);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.action-hint i {
    width: 16px;
    height: 16px;
    animation: bounce-arrow 2s ease-in-out infinite;
}

@keyframes bounce-arrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Loading Box */
.loading-content {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
}

.sketch-spinner {
    width: 100%;
    height: 100%;
    border: 4px solid var(--bg-cream);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin-wobble 1.5s ease-in-out infinite;
}

@keyframes spin-wobble {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

.doodle-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px dashed var(--accent-purple);
    border-radius: 50%;
    opacity: 0.4;
}

.loading-text {
    font-family: var(--font-handwritten);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.loading-dots {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    font-size: 2rem;
}

.loading-dots span {
    animation: dot-bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dot-bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
}

/* Results Content */
.results-content {
    font-family: var(--font-casual);
    line-height: 1.8;
}

.result-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-cream);
    border: 2px solid var(--border-sketch);
    border-radius: 16px;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.05);
    transform: rotate(-0.3deg);
}

.result-section:nth-child(even) {
    transform: rotate(0.3deg);
}

.result-title {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.result-title i {
    width: 24px;
    height: 24px;
}

.result-text {
    color: var(--text-dark);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.result-text strong {
    color: var(--accent-purple);
    font-weight: 700;
}

.result-text p {
    margin-bottom: var(--spacing-sm);
}

/* Secondary Button */
.secondary-btn {
    width: 100%;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    background: var(--accent-yellow);
    border: 3px solid var(--text-dark);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
}

.secondary-btn:hover {
    background: var(--accent-green);
    transform: translateY(-2px) rotate(1deg);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.2);
}

.secondary-btn i {
    width: 24px;
    height: 24px;
}

/* Error Box */
.error-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-align: left;
}

.error-content i {
    width: 48px;
    height: 48px;
    color: var(--accent-pink);
    flex-shrink: 0;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    25% { transform: translateX(-5px) rotate(-5deg); }
    75% { transform: translateX(5px) rotate(5deg); }
}

.error-content p {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Info Box */
.info-content {
    display: flex;
    gap: var(--spacing-md);
}

.info-content i {
    width: 32px;
    height: 32px;
    color: var(--accent-purple);
    flex-shrink: 0;
}

.info-text h3 {
    font-family: var(--font-handwritten);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.info-text ol {
    font-family: var(--font-indie);
    font-size: 1rem;
    color: var(--text-gray);
    padding-left: var(--spacing-md);
}

.info-text li {
    margin-bottom: var(--spacing-xs);
}

.doodle-arrow {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    color: var(--accent-pink);
    opacity: 0.6;
    animation: wiggle 2s ease-in-out infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-indie);
    font-size: 1rem;
    color: var(--text-gray);
}

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

.footer-text i {
    width: 16px;
    height: 16px;
    color: var(--accent-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.doodle-wave {
    width: 100%;
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--accent-blue) 0px,
        var(--accent-blue) 10px,
        transparent 10px,
        transparent 20px
    );
    margin-top: var(--spacing-sm);
    opacity: 0.4;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .api-box,
    .upload-box,
    .action-box,
    .info-box {
        grid-column: span 8;
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .api-box,
    .upload-box,
    .action-box,
    .info-box,
    .loading-box,
    .results-box,
    .error-box {
        grid-column: span 1;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    
    .bento-box {
        padding: var(--spacing-md);
    }
    
    .upload-area {
        padding: var(--spacing-lg);
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .bento-box {
        box-shadow: none;
        border: 2px solid black;
    }
    
    .analyze-btn,
    .secondary-btn,
    .action-box,
    .info-box {
        display: none;
    }
}