/* ===================================
   Oil Palm Ripeness Classifier
   Mobile-First Premium UI
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #27ae60;
    --primary-dark: #1e8449;
    --secondary-color: #f39c12;
    --accent-color: #3498db;
    --danger-color: #e74c3c;

    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1f2b47;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #6c6c6c;

    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --font-family: 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
    margin: 0 auto;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    padding: 16px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 8px rgba(39, 174, 96, 0.4));
    animation: sway 3s ease-in-out infinite;
}

@keyframes sway {

    0%,
    100% {
        transform: rotate(-3deg);
    }

    50% {
        transform: rotate(3deg);
    }
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, #52c270 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* User Info and Logout */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-details {
    text-align: right;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-org {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.logout-btn {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid rgba(231, 76, 60, 0.4);
    color: var(--text-primary);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logout-btn:hover {
    background: rgba(231, 76, 60, 0.3);
    transform: scale(1.1);
}

.logout-btn:active {
    transform: scale(0.95);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
}

/* Camera Section */
.camera-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.camera-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: 0 10px 40px var(--shadow-color);
}

#camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.focus-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.3);
}

.focus-frame::before,
.focus-frame::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--primary-color);
}

.focus-frame::before {
    top: -3px;
    left: -3px;
    border-right: none;
    border-bottom: none;
    border-radius: var(--radius-sm) 0 0 0;
}

.focus-frame::after {
    bottom: -3px;
    right: -3px;
    border-left: none;
    border-top: none;
    border-radius: 0 0 var(--radius-sm) 0;
}

.camera-error {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    gap: 12px;
}

.camera-error .error-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.camera-error p {
    color: var(--text-secondary);
}

/* Capture Controls */
.capture-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.capture-btn {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 4px solid var(--text-primary);
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.capture-btn:hover {
    transform: scale(1.05);
}

.capture-btn:active {
    transform: scale(0.95);
}

.capture-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.capture-btn:hover .capture-icon {
    background: var(--primary-dark);
}

.capture-btn:active .capture-icon {
    background: var(--secondary-color);
}

.capture-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Upload Section */
.upload-section {
    margin-top: 8px;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

/* Preview Section */
.preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.preview-container {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow-color);
}

.preview-container img {
    width: 100%;
    height: auto;
    display: block;
}

.preview-actions {
    display: flex;
    gap: 16px;
    width: 100%;
    max-width: 400px;
}

.preview-actions .btn {
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-large {
    padding: 18px 32px;
    font-size: 1.125rem;
    width: 100%;
    max-width: 400px;
}

/* Loading Section */
.loading-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-container {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-text {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.loading-subtext {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Result Section */
.result-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow-color);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.result-emoji {
    font-size: 3rem;
    animation: bounce 0.5s ease;
}

@keyframes bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.result-title h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.result-title p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Confidence Section */
.confidence-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.confidence-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.confidence-label span:last-child {
    font-weight: 600;
    color: var(--primary-color);
}

.confidence-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Result Image */
.result-image-container {
    padding: 16px 24px;
}

.result-image-container img {
    width: 100%;
    border-radius: var(--radius-md);
}

/* Result Details */
.result-details {
    padding: 16px 24px 24px;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.detail-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.detail-content h4 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 4px;
}

.detail-content p {
    font-size: 0.95rem;
    font-weight: 500;
}

/* All Predictions */
.all-predictions {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.all-predictions h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.predictions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prediction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.prediction-item .name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.prediction-item .confidence {
    color: var(--text-secondary);
}

/* Result Actions */
.result-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 400px;
}

/* Footer */
.footer {
    padding: 16px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Responsive Adjustments */
@media (min-width: 768px) {
    .main-content {
        padding: 40px;
    }

    .camera-container {
        max-width: 500px;
    }

    .result-card {
        max-width: 500px;
    }
}

/* Dark mode support (already dark by default) */
@media (prefers-color-scheme: light) {
    /* Keep dark theme for outdoor use */
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}