:root {
    /* Colors */
    --primary: #FF5722; /* LPG orange/red */
    --primary-dark: #E64A19;
    --bg-color: #F8F9FA;
    --surface: #FFFFFF;
    --text-main: #202124;
    --text-sec: #5F6368;
    --border: #E0E0E0;
    
    /* Status Colors */
    --status-green: #34A853;
    --status-green-bg: #E6F4EA;
    --status-yellow: #FBBC04;
    --status-yellow-bg: #FEF7E0;
    --status-red: #EA4335;
    --status-red-bg: #FCE8E6;
    --status-unknown: #9AA0A6;
    --status-unknown-bg: #F1F3F4;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
    
    /* Radii */
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

.hidden {
    display: none !important;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-color);
    overflow: hidden; /* Prevent pull-to-refresh on whole page */
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh; /* For mobile browsers with dynamic UI */
}

/* Typography */
h1 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.3rem; }
h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
p { font-size: 0.9rem; color: var(--text-sec); line-height: 1.4; }

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05); /* Apple style subtle border instead of hard shadow */
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
}

.actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-select {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    color: var(--text-main);
    font-weight: 600;
    cursor: pointer;
    outline: none;
}

/* Filters */
.filters-container {
    position: absolute;
    top: 4.5rem;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    padding: 0 1rem;
    overflow-x: auto;
    scrollbar-width: none;
}
.filters-container::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.05);
    padding: 0.6rem 1.2rem;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    color: var(--text-sec);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-chip.active {
    background: var(--text-main);
    color: white;
    border-color: var(--text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Feature Badges */
.features-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(241, 243, 244, 0.7);
    padding: 0.4rem 0.75rem;
    border-radius: 16px;
    font-size: 0.8rem;
    color: var(--text-main);
    font-weight: 500;
    border: 1px solid rgba(0,0,0,0.04);
}
.feature-badge .material-icons-round {
    font-size: 1rem;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-sec);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.icon-btn:hover, .icon-btn:active {
    background-color: var(--status-unknown-bg);
}

.partner-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
}

/* Map Container */
#map {
    flex: 1;
    width: 100%;
    z-index: 1;
}

/* My Location Marker - must override Leaflet's default .leaflet-marker-icon styles */
.my-location-marker {
    background-color: #4285F4 !important;
    border: 3px solid #FFFFFF !important;
    border-radius: 50% !important;
    box-shadow: 0 0 10px rgba(66, 133, 244, 0.6) !important;
    animation: pulse 2s infinite;
    width: 20px !important;
    height: 20px !important;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(66, 133, 244, 0.4) !important; }
    70% { box-shadow: 0 0 0 15px rgba(66, 133, 244, 0) !important; }
    100% { box-shadow: 0 0 0 0 rgba(66, 133, 244, 0) !important; }
}

/* Map Legend */
.map-legend {
    position: absolute;
    bottom: 2rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 1rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    z-index: 1000; /* Above map but below bottom sheet */
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    pointer-events: none; /* Let clicks pass through to the map if needed */
    border: 1px solid rgba(0,0,0,0.05);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-main);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
}

.legend-color.green { background: var(--status-green); }
.legend-color.yellow { background: var(--status-yellow); }
.legend-color.red { background: var(--status-red); }
.legend-color.gray { background: var(--status-unknown); }

/* Recommendation Overlay */
.recommendation-overlay {
    position: absolute;
    top: 5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border: 1px solid rgba(255, 255, 255, 0.4);
    z-index: 1000;
    overflow: hidden;
    transition: opacity 0.3s, transform 0.3s;
    display: block !important; /* Override .hidden { display: none } - we animate with opacity */
}

.recommendation-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(-10px);
    display: block !important;
}

.rec-header {
    background: var(--status-green-bg);
    color: #0D652D;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.star-icon {
    font-size: 1.25rem;
}

.rec-body {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

/* Bottom Sheet */
.bottom-sheet {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.08);
    z-index: 2000;
    transform: translateY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 85vh;
    display: flex !important;
    flex-direction: column;
}

.bottom-sheet.hidden {
    transform: translateY(100%);
    display: flex !important; /* Override .hidden { display: none } - we animate with transform instead */
    pointer-events: none;
}

/* Adjust legend position when bottom sheet is open */
.bottom-sheet:not(.hidden) ~ #map-legend,
.bottom-sheet:not(.hidden) + #map-legend {
    opacity: 0;
    pointer-events: none;
}
.map-legend {
    transition: opacity 0.3s ease;
}

.sheet-handle {
    width: 36px;
    height: 5px;
    background: #D1D1D6;
    border-radius: 3px;
    margin: 8px auto 16px auto;
}

.sheet-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    overflow-y: auto;
}

.distributor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.available { background: var(--status-green-bg); color: var(--status-green); }
.status-badge.low { background: var(--status-yellow-bg); color: #B08200; }
.status-badge.out { background: var(--status-red-bg); color: var(--status-red); }
.status-badge.unknown { background: var(--status-unknown-bg); color: var(--text-sec); }

.distributor-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-sec);
    font-size: 0.875rem;
}

.info-row .material-icons-round {
    font-size: 1.125rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

button {
    font-family: inherit;
    border: none;
    border-radius: 12px;
    padding: 0.8rem 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.primary-btn {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}

.primary-btn:active { 
    background: var(--primary-dark); 
    transform: scale(0.96);
}

.secondary-btn {
    background: var(--surface);
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.secondary-btn:active { 
    background: var(--status-red-bg); 
    transform: scale(0.96);
}

.report-section {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.report-section h3 {
    margin-bottom: 0.25rem;
}

.report-section .subtitle {
    margin-bottom: 1rem;
}

.report-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.8rem;
}

.report-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 0.85rem;
    padding: 0.8rem 0.5rem;
    flex-direction: column;
    gap: 0.4rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.report-btn:active {
    transform: scale(0.96);
}

.report-btn.active {
    border-color: var(--primary);
    background: rgba(255, 87, 34, 0.05);
    box-shadow: 0 2px 8px rgba(255, 87, 34, 0.15);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.status-dot.green { background: var(--status-green); }
.status-dot.yellow { background: var(--status-yellow); }
.status-dot.red { background: var(--status-red); }

/* Forms & Partner Views */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

/* Feedback Button Specific */
#floating-feedback-btn {
    position: absolute;
    bottom: 2rem;
    left: 1rem;
    z-index: 1000;
}

/* Modal Shared Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 450px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-overlay.hidden .modal-content {
    transform: scale(0.95);
}

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

.modal-header h2 {
    margin: 0;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-sec);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.2rem;
    margin-right: -0.5rem;
}

#feedback-text {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    resize: none;
}

#feedback-text:focus {
    outline: none;
    border-color: var(--primary);
}

/* Custom Marker CSS for Leaflet */
.custom-div-icon {
    background: transparent;
    border: none;
}

.marker-pin {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFFFFF;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -22px 0 0 -22px; /* Center it */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15), 0 0 0 2px white;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.marker-pin:active {
    transform: scale(0.9);
}

.marker-pin .material-icons-round {
    font-size: 26px;
}

.marker-pin.available { color: var(--status-green); }
.marker-pin.low { color: var(--status-yellow); }
.marker-pin.out { color: var(--status-red); }
.marker-pin.unknown { color: var(--status-unknown); }

.marker-pin::after {
    display: none;
}

.warning-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #FF0000;
    color: white;
    font-size: 12px;
    font-weight: bold;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity 0.4s ease-out;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
}

.loader-icon {
    font-size: 4rem;
    color: var(--primary);
    animation: bounce 1.5s infinite ease-in-out;
}

.loader-content h2 {
    font-size: 1.25rem;
    color: var(--text-main);
    margin: 0;
}

.loader-content p {
    font-size: 0.9rem;
    color: var(--text-sec);
    max-width: 250px;
    margin: 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 87, 34, 0.2);
    border-left-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-top: 1rem;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

/* Welcome Overlay */
.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-color);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.4s ease-out;
}

.welcome-content {
    background: var(--surface);
    padding: 2.5rem 2rem;
    border-radius: 24px;
    box-shadow: 0 12px 48px rgba(0,0,0,0.1);
    max-width: 400px;
    width: 90%;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.welcome-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--primary);
}

.welcome-icon {
    font-size: 2.5rem;
}

.welcome-title {
    font-size: 2rem;
    margin: 0;
}

.welcome-subtitle {
    font-size: 1rem;
    color: var(--text-sec);
    margin: 0;
}

.welcome-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.welcome-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    width: 100%;
    padding: 1.25rem;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
}

.welcome-btn .material-icons-round {
    font-size: 2rem;
}

.welcome-btn-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.welcome-btn-text strong {
    font-size: 1.05rem;
}

.welcome-btn-text span {
    font-size: 0.8rem;
    font-weight: normal;
    opacity: 0.9;
}

.primary-welcome {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}

.primary-welcome:active {
    background: var(--primary-dark);
    transform: scale(0.96);
}

.secondary-welcome {
    background: #F1F3F4;
    color: var(--text-main);
}

.secondary-welcome:active {
    background: #E8EAED;
    transform: scale(0.96);
}

.welcome-note {
    font-size: 0.75rem;
    color: var(--text-sec);
    margin-top: 0.5rem;
}

/* Floating Map Controls */
.map-controls {
    position: absolute;
    bottom: 6rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.floating-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    cursor: pointer;
    padding: 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-btn .material-icons-round {
    font-size: 24px;
}

.floating-btn:active {
    transform: scale(0.9);
    background: #F1F3F4;
}

/* Partner Portal Nav Link */
.partner-portal-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--primary);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.partner-portal-link:active {
    background: var(--status-red-bg);
    transform: scale(0.92);
}

/* Honeypot field - must be invisible to humans */
.hp-field {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    height: 0;
    width: 0;
    z-index: -1;
    overflow: hidden;
}

/* OTP Verification Section */
.otp-section {
    background: var(--bg-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-top: 1rem;
    border: 1px solid var(--border);
}

.otp-section h3 {
    margin-bottom: 0.25rem;
}

.otp-section p {
    margin-bottom: 1rem;
}

.otp-input-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.otp-input-group input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-family: inherit;
    letter-spacing: 0.35em;
    text-align: center;
    font-weight: 700;
}

.otp-input-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.otp-input-group button {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
}

.otp-timer {
    font-size: 0.8rem;
    color: var(--text-sec);
    margin-top: 0.5rem;
    text-align: center;
}

.otp-success {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--status-green);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}