/* Ki Wellness - Main CSS */
/* ====================== */

/* Custom Properties */
:root {
    --ki-green-50: #f0fdf4;
    --ki-green-100: #dcfce7;
    --ki-green-200: #bbf7d0;
    --ki-green-300: #86efac;
    --ki-green-400: #4ade80;
    --ki-green-500: #22c55e;
    --ki-green-600: #16a34a;
    --ki-green-700: #15803d;
    --ki-green-800: #166534;
    --ki-green-900: #14532d;
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Quicksand', sans-serif;
    line-height: 1.6;
    color: #374151;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--ki-green-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ki-green-500);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

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

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

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

.btn-primary {
    background: var(--ki-green-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--ki-green-700);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover:not(:disabled) {
    background: #e5e7eb;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

/* Form Styles */
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--ki-green-500);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-input.error {
    border-color: #ef4444;
}

.form-input.success {
    border-color: var(--ki-green-500);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-error {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.form-success {
    color: var(--ki-green-600);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
    padding: 0.25rem;
}

.modal-close:hover {
    color: #374151;
}

/* Food Search Results */
.food-result {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.food-result:hover {
    border-color: var(--ki-green-400);
    background: var(--ki-green-50);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.food-result img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 1rem;
}

.food-result-info {
    flex: 1;
}

.food-result-name {
    font-weight: 500;
    color: #111827;
    margin-bottom: 0.25rem;
}

.food-result-brand {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Barcode Scanner */
.barcode-scanner {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.barcode-video {
    width: 100%;
    border-radius: 8px;
    border: 2px solid #d1d5db;
    transition: all 0.3s ease;
}

.barcode-video.scanning-active {
    border: 3px solid #16a34a;
    box-shadow: 0 0 20px rgba(22, 163, 74, 0.3);
}

/* QuaggaJS Viewport */
.viewport {
    position: relative;
    width: 100%;
    height: auto;
}

.viewport > video, .viewport > canvas {
    max-width: 100%;
    width: 100%;
}

.viewport > canvas.drawingBuffer {
    position: absolute;
    left: 0;
    top: 0;
}

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

.barcode-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: #16a34a;
    animation: scan 2s infinite;
}

.barcode-corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 3px solid #16a34a;
}

.barcode-corner.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.barcode-corner.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.barcode-corner.bottom-left {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.barcode-corner.bottom-right {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

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

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

.scanning-indicator {
    animation: pulse 1.5s infinite;
}

/* Mood Buttons */
.mood-btn {
    transition: all 0.2s ease;
}

.mood-btn:hover {
    transform: scale(1.1);
}

.mood-btn.selected {
    background: var(--ki-green-100);
    border: 2px solid var(--ki-green-300);
}

/* Water Progress Bar */
.water-progress {
    transition: width 0.5s ease;
}

/* Food Log Items */
.food-log-item {
    transition: all 0.2s ease;
}

.food-log-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Tab Styles */
.tab-btn {
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: #f3f4f6;
}

.tab-btn.active {
    background: white;
    color: var(--ki-green-600);
    border-bottom: 2px solid var(--ki-green-600);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--ki-green-500);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    
    .food-result {
        flex-direction: column;
        text-align: center;
    }
    
    .food-result img {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }

.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Chart Styles */
#macro-chart {
    max-width: 180px;
    max-height: 180px;
    margin: 0 auto;
}

.chart-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .water-btn {
        @apply px-2 py-1 text-xs;
    }
    
    .mood-btn {
        @apply p-1;
    }
    
    .mood-btn span {
        @apply text-xl;
    }
    
    #macro-chart {
        max-width: 140px;
        max-height: 140px;
    }
}

/* Enhanced Chat Styles */
.chat-message {
    animation: fadeIn 0.3s ease-out;
}

.chat-message a {
    color: #2563eb;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.chat-message a:hover {
    color: #1d4ed8;
    text-decoration: none;
}

.chat-message strong {
    font-weight: 600;
    color: #1f2937;
}

.chat-message em {
    font-style: italic;
    color: #6b7280;
}

.chat-message br {
    margin-bottom: 0.5rem;
}

/* Chat container transitions */
#chat-container {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#chat-container.expanded {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Enhanced message bubbles */
.chat-message-bubble {
    position: relative;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
}

.chat-message-bubble.user {
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: white;
    border-radius: 18px 18px 4px 18px;
}

.chat-message-bubble.assistant {
    background: white;
    color: #1f2937;
    border-radius: 18px 18px 18px 4px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Link styling in chat */
.chat-message-bubble.assistant a {
    color: #2563eb;
    text-decoration: underline;
    font-weight: 500;
    transition: all 0.2s ease;
}

.chat-message-bubble.assistant a:hover {
    color: #1d4ed8;
    text-decoration: none;
    background-color: #eff6ff;
    padding: 2px 4px;
    border-radius: 4px;
}

/* Emoji enhancements */
.chat-message-bubble .emoji {
    font-size: 1.1em;
    vertical-align: middle;
}

/* Responsive chat adjustments */
@media (max-width: 768px) {
    #chat-container {
        width: calc(100vw - 2rem) !important;
        height: calc(100vh - 8rem) !important;
        bottom: 1rem !important;
        right: 1rem !important;
        left: 1rem !important;
    }
    
    #chat-container.expanded {
        width: calc(100vw - 2rem) !important;
        height: calc(100vh - 8rem) !important;
    }
}