:root {
    --background-dark: #0A0A0A;
    --card-bg-dark: #18181B;
    --border-color-dark: #27272A;
    --text-primary-dark: #FFFFFF;
    --text-secondary-dark: #A1A1AA;
    --primary: #FACC15; /* Yellow-400 */
    --primary-hover: #EAB308; /* Yellow-500 */
    --text-on-primary: #000000;
    
    /* New Loader Variables */
    --loader-size: 120px;
    --primary-color: #f7c325;
    --secondary-color: #e14344;
    --stroke-width: 18;
    --fwd-rotation-duration: 1.5s;
    --rev-rotation-duration: 2.5s;
}

/* General focus style for accessibility and to prevent browser rendering glitches */
*:focus:not(:focus-visible) {
    outline: none;
}
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 0.5rem; /* Match other elements */
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background-color: var(--background-dark);
    color: var(--text-primary-dark);
    position: relative; /* Needed for the pseudo-element */
}

body[data-no-scroll="true"] {
    overflow: hidden;
}

/* Black and Grey Background Image with Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    z-index: -1;
    filter: grayscale(100%); /* Convert image to black and grey */
    
    /* Mobile background with grey overlay effect */
    background-image: linear-gradient(rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.7)), url('bgimg.webp');
    opacity: 0.1; /* Opacity set to 60% */
}

/* Desktop background */
@media (min-width: 768px) {
    body::before {
        background-image: linear-gradient(rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.7)), url('aboutusimg.webp');
        opacity: 0.1; /* More subtle effect for desktop */
    }
}

/* Glassmorphism Card Style */
.card {
    background-color: rgba(24, 24, 27, 0.6); /* Semi-transparent background */
    backdrop-filter: blur(15px) saturate(150%);
    -webkit-backdrop-filter: blur(15px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1); /* Subtle border for the glass edge */
    border-radius: 0.75rem;
    transition: all 0.3s ease-in-out;
}

.header-glass {
    background-color: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color-dark);
}

.text-main { color: var(--text-primary-dark); }
.text-sub { color: var(--text-secondary-dark); }

.page { display: none; }
.page.active { display: block; }

.btn-primary {
    background: var(--primary);
    color: var(--text-on-primary);
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px -5px rgba(250, 204, 21, 0.4);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px -5px rgba(250, 204, 21, 0.6); background: var(--primary-hover); }
.btn-primary:disabled { background: #3f3f46; color: #a1a1aa; cursor: not-allowed; transform: none; box-shadow: none; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--background-dark); }
::-webkit-scrollbar-thumb { background: #4A5568; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #718096; }

.card-clickable { cursor: pointer; }
.card-clickable:hover { 
    transform: translateY(-2px); 
    border-color: var(--primary);
}
.modal-backdrop { 
    background-color: rgba(10, 10, 10, 0.8); 
    backdrop-filter: blur(10px);
}
.btn-secondary {
    background-color: transparent;
    color: var(--text-primary-dark);
    border: 1px solid var(--border-color-dark);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    /* FIXED: Ensure secondary button behaves like primary for flex content */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-secondary:hover { background-color: var(--border-color-dark); }
.progress-bar-bg { background-color: var(--border-color-dark); border-radius: 9999px; }
.progress-bar-fill { height: 100%; border-radius: 9999px; transition: width 0.5s ease-in-out; background: linear-gradient(to right, #ef4444, #facc15); }

.nav-item {
    display: flex; align-items: center; gap: 1rem; padding: 0.75rem;
    border-radius: 0.5rem; color: var(--text-secondary-dark); font-weight: 600;
    transition: all 0.2s ease-in-out;
}
.nav-item:hover, .nav-item.active {
    background-color: rgba(250, 204, 21, 0.1); color: var(--primary);
}
.nav-item-mobile { color: var(--text-secondary-dark); transition: color 0.2s ease-in-out; }
.nav-item-mobile.active, .nav-item-mobile:hover { color: var(--primary); }
.nav-item-mobile.active svg { stroke: var(--primary); }

/* --- Input Styling Fixes --- */
input, select, textarea {
    background-color: #18181B; /* card-bg-dark */
    border: 1px solid #27272A; /* border-color-dark */
    border-radius: 0.5rem; 
    padding: 0.75rem 1rem;
    color: var(--text-primary-dark);
    transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--primary); 
    box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.3);
    outline: none;
}
::placeholder {
    color: var(--text-secondary-dark);
    opacity: 0.7;
}

/* Custom style for select to allow icon positioning */
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

#date-picker-wrapper input[type="date"]::-webkit-calendar-picker-indicator {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; cursor: pointer;
}

.section-content { display: none; animation: fadeIn 0.5s; }
.section-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Custom Calendar Styles */
.calendar-day { transition: background-color 0.2s; }
.calendar-day.other-month { color: var(--text-secondary-dark); }
.calendar-day:not(.other-month):hover { background-color: var(--border-color-dark); }
.calendar-day.selected { background-color: var(--primary); color: var(--text-on-primary); font-weight: bold; }
.calendar-day.today { border: 1px solid var(--primary); }

/* Mobile Screen Adjustments */
@media (max-width: 767px) {
    header .flex.items-center.justify-between {
        height: 4rem;
    }
    #main-welcome-message {
        font-size: 1.875rem;
    }
    .summary-card-value {
        font-size: 1.5rem;
    }
    main {
        padding: 1rem;
    }
    .grid {
        gap: 0.75rem;
    }
}

/* Goal Completion Animation */
.progress-bar-fill.completed {
    animation: pulse-bg 1s infinite;
}

@keyframes pulse-bg {
    0% { background: linear-gradient(to right, #a855f7, #facc15); }
    50% { background: linear-gradient(to right, #facc15, #4ade80); }
    100% { background: linear-gradient(to right, #a855f7, #facc15); }
}

#goal-completed-container {
    animation: fadeIn 0.5s ease-in-out;
}

.tab-button {
    transition: all 0.2s ease-in-out;
    border-bottom: 2px solid transparent;
    padding: 0.5rem 1rem;
    color: var(--text-secondary-dark);
    font-weight: 600;
}
.tab-button.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Health Calculator Styles */
.accordion-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    font-weight: 600;
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
    padding: 0 1.5rem;
}
.accordion-item.open .accordion-content {
    max-height: 1000px;
    padding-bottom: 1.5rem;
    border-top: 1px solid var(--border-color-dark);
}
.accordion-header .accordion-icon { transition: transform 0.3s ease-in-out; }
.accordion-item.open .accordion-header .accordion-icon { transform: rotate(180deg); }
.calc-result {
    background-color: #0A0A0A;
    border: 1px solid var(--border-color-dark);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    text-align: center;
}
.calc-result .value { font-size: 1.875rem; font-weight: bold; color: var(--primary); }
.calc-result .label { font-size: 0.875rem; color: var(--text-secondary-dark); text-transform: uppercase; }

/* Profile Modal Styles */
#profile-modal .modal-content {
    height: 100%;
    width: 100%;
    max-width: 450px;
    margin-left: auto;
    border-radius: 0;
    animation: slideInFromRight 0.3s ease-out;
}
@keyframes slideInFromRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
.profile-section-title {
    color: var(--text-secondary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}
.info-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--card-bg-dark);
    border-radius: 0.5rem;
    transition: background-color 0.2s;
}
.info-link:hover { background-color: var(--border-color-dark); }

#scroll-indicator { animation: bounce 2s infinite; }
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

#popup-notification { transition: opacity 0.3s, transform 0.3s; z-index: 100; }
html { scrollbar-gutter: stable; }

.loader-svg {
    width: var(--loader-size);
    height: var(--loader-size);
    animation: rotate-forward var(--fwd-rotation-duration) linear infinite;
}
.arc-group-inner {
    transform-origin: center;
    animation: rotate-reverse var(--rev-rotation-duration) linear infinite;
}
.arc { fill: none; stroke-linecap: round; stroke-width: var(--stroke-width); }
.arc-outer { stroke: var(--primary-color); stroke-dasharray: 377 125; }
.arc-inner { stroke: var(--secondary-color); stroke-dasharray: 259 86; }
@keyframes rotate-forward { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes rotate-reverse { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }

/* --- Styles for Label Analyzer --- */
.result-card {
    transition: all 0.3s ease-in-out;
    opacity: 0;
    transform: translateY(20px);
}
.result-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.loader {
    border: 4px solid #374151; /* gray-700 */
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.modal {
    transition: opacity 0.25s ease;
}
.clickable-additive {
    cursor: pointer;
    text-decoration: underline;
    color: #60a5fa; /* blue-400 */
    font-weight: 500;
}
#la-camera-view, #la-camera-canvas {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
}
#la-imagePreviewContainer {
    max-width: 24rem;
    margin-left: auto;
    margin-right: auto;
}
#la-imagePreview {
    display: block;
    width: 100%;
    height: auto;
    max-height: 60vh;
    object-fit: contain;
}
.scanning::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.7), transparent);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.9);
    animation: scan 2s ease-in-out infinite;
    border-radius: 2px;
}
@keyframes scan {
    0% { top: 0; }
    100% { top: 100%; }
}
.skeleton-box {
    background-color: var(--border-color-dark);
    border-radius: 0.5rem;
    animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
    50% { opacity: .5; }
}

/* FIXED: Personalized Advice Styling */
#la-chat-response {
    line-height: 1.6;
}
#la-chat-response p {
    margin-bottom: 0.75rem;
}
#la-chat-response p:last-child {
    margin-bottom: 0;
}
#la-chat-response strong {
    color: var(--primary);
}

/* FIXED: Floating Action Button for mobile clear search */
#la-clear-fab {
    position: fixed;
    bottom: 6.5rem; /* Position above the main nav */
    right: 1.5rem;
    z-index: 30;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}
#la-clear-fab.visible {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* NEW: Camera focus ring */
.focus-ring {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(250, 204, 21, 0.8);
    border-radius: 50%;
    animation: focus-anim 0.5s ease-out;
    pointer-events: none;
    opacity: 0;
}
@keyframes focus-anim {
    0% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 0; }
}

/* NEW: Mobile optimizations for Food Planner */
@media (max-width: 1023px) { /* Changed to lg breakpoint */
    #tools-selector {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 767px) {
    #food-planner-selector {
        grid-template-columns: 1fr; /* Stack selector cards */
    }
    #nutrition-lookup-tab .flex-col,
    #health-analyzer-tab .grid {
        gap: 1rem;
    }
    #la-uploader .grid {
        grid-template-columns: 1fr; /* Stack upload buttons */
    }
    #la-results .card {
        padding: 1rem;
    }
    #la-chat-response-container {
        padding: 1rem;
    }
    #la-score-summary .text-6xl {
        font-size: 3rem; /* 48px */
    }
     #la-score-summary .text-xl {
        font-size: 1.125rem; /* 18px */
    }
    /* Hide the standard reset button on mobile, show the FAB instead */
    #la-results .text-center.mt-8 {
        display: none;
    }
 .install-button {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #facc15;
  color: #000;
  padding: 10px 20px;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  z-index: 9999;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.install-button:hover {
  transform: translateX(-50%) scale(1.05);
}