@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #00aaff;
    --background-color: #121212;
    --card-background: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #333;
    --status-low: #28a745;
    --status-medium: #ffc107;
    --status-high: #fd7e14;
    --status-full: #dc3545;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 20px;
}

header {
    background-color: var(--card-background);
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.1);
}

header h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: 2.5rem;
}

header p {
    color: var(--text-secondary);
    margin: 5px 0 0;
}

main h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.dustbin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    animation: fadeIn 0.5s ease-out forwards;
}

.dustbin-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.dustbin-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 170, 255, 0.2);
}

.dustbin-card h3 {
    margin: 0 0 10px;
    color: var(--text-color);
    font-size: 1.2rem;
}

.dustbin-card p {
    margin: 5px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.dustbin-card .fill-level {
    font-weight: bold;
}

.status-low { color: var(--status-low); }
.status-medium { color: var(--status-medium); }
.status-high { color: var(--status-high); }
.status-full { color: var(--status-full); font-weight: bold; }

.btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
    width: calc(100% - 40px);
}

.btn:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
}

/* Remove old icon placeholders */
/*
[class^="icon-"]::before {
    font-family: 'FontAwesome'; 
    margin-right: 10px;
}
.icon-trash::before { content: '🗑️'; }
.icon-location::before { content: '📍'; }
.icon-building::before { content: '🏢'; }
.icon-library::before { content: '📚'; }
.icon-hostel::before { content: '🏨'; }
.icon-workshop::before { content: '🛠️'; }
.icon-canteen::before { content: '🍔'; }
.icon-sports::before { content: '⚽'; }
.icon-ece::before { content: '💡'; }
.icon-parking::before { content: '🅿️'; }
.icon-food::before { content: '🍲'; }
*/

/* Adjust for new Font Awesome icons */
i.fa-solid {
    margin-right: 10px;
    color: var(--primary-color);
}

header h1 i.fa-solid {
    font-size: 2.2rem;
}

.dustbin-card h3 i.fa-solid, .fill-level-card h2 i.fa-solid {
    color: var(--text-secondary);
}

.btn-back i.fa-solid {
    color: inherit;
    margin-right: 8px;
}

/* Details Page Specific Styles */

.details-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.details-header {
    text-align: center;
    margin-bottom: 30px;
}

.details-header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin: 0;
}

.details-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.fill-level-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px 40px;
    width: 100%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.7);
}

.fill-level-card h2 {
    margin: 0 0 15px;
    font-size: 1.3rem;
    color: var(--text-color);
}

.fill-level-card > p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 10px 0;
}

.fill-percentage {
    font-size: 6rem;
    font-weight: 700;
    color: var(--status-medium); /* Default color, will be updated by JS */
    margin: 20px 0 10px;
    line-height: 1;
}

.fill-level-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.progress-bar {
    background-color: #333;
    border-radius: 5px;
    height: 10px;
    width: 100%;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar-inner {
    height: 100%;
    background-color: var(--status-medium); /* Default color, will be updated by JS */
    border-radius: 5px;
    transition: width 0.5s ease-in-out, background-color 0.5s ease-in-out;
}

.update-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

.btn-back {
    width: auto;
    padding: 12px 25px;
    margin: 30px 0 15px;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

/* --- Enhanced Styling & Animations --- */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.fill-percentage.updated {
    animation: pulse 0.5s ease-in-out;
}