@import url('https://fonts.googleapis.com/css2?family=Clash+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Eco-Tech Dark Theme Colors */
    --bg-base: #030704;
    --bg-panel: rgba(16, 28, 20, 0.6);
    --bg-panel-hover: rgba(24, 40, 28, 0.75);

    --primary: #00ff73;
    --primary-glow: rgba(0, 255, 115, 0.4);
    --primary-dim: rgba(0, 255, 115, 0.15);

    --secondary: #8b5cf6;
    --secondary-glow: rgba(139, 92, 246, 0.4);

    --accent: #fbbf24;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --panel-border: rgba(255, 255, 255, 0.08);
    --panel-border-focus: rgba(0, 255, 115, 0.3);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Responsive Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
}

/* Responsive Typography */
.hero-title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.section-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.2rem);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Background Mesh / Glow Effects */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, var(--primary-dim) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 90%, var(--primary-dim) 0%, transparent 50%);
    z-index: -1;
    animation: pulse-bg 15s ease-in-out infinite alternate;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Clash Display', sans-serif;
    font-weight: 700;
}

/* Utility Animations */
@keyframes pulse-bg {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

@keyframes scan-line {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes slideUpFade {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Glass Panel Utilities */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    padding: var(--space-lg);
}

@media (max-width: 600px) {
    .glass-panel {
        padding: var(--space-md);
    }
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    margin: 1rem auto;
    max-width: 1200px;
    width: calc(100% - 2rem);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    position: relative;
    min-height: 70px;
}

.nav-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    z-index: 5;
}

.logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: screen; 
    filter: brightness(1.2) contrast(1.2);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .logo { height: 48px; }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-radius: 24px;
        padding: 0.6rem 1rem;
        width: 95%;
        margin: 0.5rem auto;
        min-height: 85px;
    }
    .nav-center {
        gap: 0.2rem;
    }
    .nav-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: 0.4rem;
    }
    .nav-user-info {
        flex-direction: column;
        align-items: flex-end;
        gap: 0.2rem;
        font-size: 0.85rem;
    }
    .points-badge {
        padding: 0.2rem 0.6rem;
        font-size: 0.75rem;
    }
    .progress-track {
        width: 70px;
        height: 4px;
    }
    .btn-secondary {
        padding: 0.35rem 0.75rem;
        font-size: 0.75rem;
        border-radius: 30px;
    }
}

/* Gradients text */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), #4ade80);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-alt {
    background: linear-gradient(135deg, #a855f7, var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Points System */
.points-badge {
    background: rgba(0, 255, 115, 0.1);
    border: 1px solid var(--primary-dim);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 0 15px var(--primary-dim);
    white-space: nowrap;
}

.progress-track {
    width: 100px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

@media (max-width: 480px) {
    .progress-track { display: none; }
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, var(--primary));
    width: 0%;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--primary);
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
    width: 100%;
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: #000;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 20px var(--primary-glow);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-glow);
    background: #1aff85;
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

/* Forms & Inputs */
.form-control {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    color: var(--text-main);
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
    background: rgba(0, 0, 0, 0.4);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

/* Camera Scanner Interface */
.scanner-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    aspect-ratio: 4/3;
    border: 1px solid var(--panel-border);
    margin-bottom: 1.5rem;
    box-shadow: inset 0 0 40px rgba(0, 255, 115, 0.1);
}

.scanner-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    display: none;
}

.scanner-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 15px 3px var(--primary);
    animation: scan-line 2s linear infinite;
}

.scanner-corners {
    position: absolute;
    inset: 15px;
    border: 1px solid rgba(0, 255, 115, 0.2);
}

.scanner-corners::before, .scanner-corners::after {
    content: ''; position: absolute; width: 30px; height: 30px;
    border: 2px solid var(--primary);
}

.scanner-corners::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.scanner-corners::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* Action Cards */
.reports-grid, .rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: slideUpFade 0.5s ease-out forwards;
    opacity: 0; /* Initiated before animation */
}

.card:nth-child(n) { animation-delay: calc(0.1s * var(--n, 1)); }

.card:hover {
    transform: translateY(-8px);
    border-color: var(--panel-border-focus);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px var(--primary-dim);
}

.card-img-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    margin-bottom: 1.2rem;
    background: rgba(0,0,0,0.3);
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    border: 1px solid var(--panel-border);
    text-transform: uppercase;
}

/* Rewards Specific */
.reward-icon {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.2));
}

.reward-info h3 {
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    margin-bottom: 0.5rem;
}

.reward-cost {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    color: #c4b5fd;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* Kanban Board for Admin */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    align-items: start;
}

@media (max-width: 900px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }
}

.kanban-column {
    background: rgba(10, 15, 12, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    min-height: 40vh;
}

.kanban-column h3 {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.kanban-column.drag-over {
    border-color: var(--primary);
    background: rgba(0, 255, 115, 0.05);
}

.column-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Select element restyling */
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

/* Helpers */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: clamp(2rem, 10vw, 4rem); }

/* Auth Layout */
.auth-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.auth-card {
    max-width: 440px;
    width: 100%;
    padding: clamp(2rem, 8vw, 3rem) clamp(1.5rem, 5vw, 2.5rem);
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}
.auth-link:hover { color: #fff; text-shadow: 0 0 8px var(--primary-glow); }

/* Success Overlay */
.success-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(15px);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
.success-overlay.active { display: flex; }

.success-message {
    font-family: 'Clash Display', sans-serif;
    font-size: clamp(2rem, 10vw, 3rem);
    font-weight: 700;
    margin-top: 1rem;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

/* Animations */
.sprout-icon {
    font-size: clamp(4rem, 15vw, 6rem);
    animation: sprout 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes sprout {
    0% { transform: scale(0) translateY(20px); opacity: 0; }
    60% { transform: scale(1.2) translateY(-5px); opacity: 1; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* Leaderboard */
.leaderboard-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.leaderboard-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.8rem;
    transition: all 0.2s ease;
    gap: 1rem;
}
.leaderboard-list li:hover {
    background: rgba(0, 255, 115, 0.05);
    border-color: var(--primary);
    transform: translateX(5px);
}
.leaderboard-list .rank {
    font-weight: 700;
    color: var(--primary);
    min-width: 25px;
}
.leaderboard-list .name {
    flex: 1;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.leaderboard-list .points {
    color: var(--accent);
    font-weight: 700;
    background: rgba(251, 191, 36, 0.1);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    white-space: nowrap;
}

/* Time-lapse Slider */
.comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #000;
    margin-bottom: 1.2rem;
}
.comparison-slider img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: none !important;
}
.card:hover .comparison-slider img {
    transform: none;
}
.after-image {
    z-index: 1;
}
.before-image {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}
.slider-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    opacity: 0;
    cursor: ew-resize;
    margin: 0;
}
.slider-handle-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    pointer-events: none;
    box-shadow: 0 0 10px var(--primary-glow);
}
.slider-handle-button {
    position: absolute;
    top: 50%;
    width: 24px;
    height: 24px;
    background: var(--bg-base);
    border: 2px solid var(--primary);
    border-radius: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
}
@media (max-width: 600px) {
    .slider-handle-button {
        width: 32px;
        height: 32px;
    }
}
.slider-handle-button::before, .slider-handle-button::after {
    content: '';
    width: 0; height: 0;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}
.slider-handle-button::before { border-right: 4px solid var(--primary); margin-right: 2px; }
.slider-handle-button::after { border-left: 4px solid var(--primary); margin-left: 2px; }

/* Site Footer */
.site-footer {
    text-align: center;
    padding: 2.5rem 1.25rem;
    border-top: 1px solid var(--panel-border);
    backdrop-filter: blur(10px);
    background: rgba(10, 15, 12, 0.4);
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: auto;
    width: 100%;
}
.site-footer p {
    margin-bottom: 0.75rem;
    font-weight: 500;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: clamp(1rem, 5vw, 2rem);
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}
.footer-links a:hover {
    color: #fff;
    text-shadow: 0 0 8px var(--primary-glow);
}

#heatmap-container {
    height: clamp(300px, 60vw, 400px);
}

/* Admin Table Styles */
.admin-table th {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
}
.admin-table tbody tr {
    transition: all 0.2s ease;
}
.admin-table tbody tr:hover {
    background: rgba(0, 255, 115, 0.03);
}