body {
    background-color: #222222;
    color: #66cc66;
    font-family: monospace;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

body.sidebar-open {
    margin-left: 250px;
}

body.sidebar-closed {
    margin-left: 0;
}

.back-button {
    color: #66cc66;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 1rem;
}

.main-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.container {
    background-color: #333333;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-align: center;
    max-width: 900px;
    width: 90%;
}

h1 {
    margin-bottom: 2rem;
}

.input-section {
    margin-bottom: 2rem;
    text-align: left;
}

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

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.input-group input[type="text"] {
    width: 100%;
    padding: 0.5rem;
    background-color: #222222;
    color: #66cc66;
    border: 1px solid #66cc66;
    border-radius: 5px;
    font-family: monospace;
    font-size: 1em;
}

.time-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.time-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.time-input-group input[type="number"] {
    width: 100%;
    padding: 0.5rem;
    background-color: #222222;
    color: #66cc66;
    border: 1px solid #66cc66;
    border-radius: 5px;
    font-family: monospace;
    font-size: 1em;
    text-align: center;
}

input:focus {
    outline: none;
    border-color: #88e888;
}

.add-timer-btn {
    background-color: #66cc66;
    color: #222222;
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: bold;
    width: 100%;
    font-family: monospace;
}

.add-timer-btn:hover {
    background-color: #88e888;
}

.notification-prompt {
    background-color: #443322;
    border-left: 4px solid #cc8844;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    color: #ffcc88;
}

.notification-prompt p {
    margin: 0 0 1rem 0;
}

.generate-btn {
    background-color: #66cc66;
    color: #222222;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    margin-right: 0.5rem;
    font-family: monospace;
}

.generate-btn:hover {
    background-color: #88e888;
}

.dismiss-btn {
    background-color: #555555;
    color: #66cc66;
    border: 1px solid #66cc66;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-family: monospace;
}

.dismiss-btn:hover {
    background-color: #666666;
}

.timers-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.timer-card {
    background-color: #2a2a2a;
    border-left: 4px solid #66cc66;
    padding: 1.5rem;
    border-radius: 5px;
    text-align: left;
    position: relative;
}

.timer-card.expired {
    border-left-color: #cc4444;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { background-color: #2a2a2a; }
    50% { background-color: #442222; }
}

.timer-card.paused {
    border-left-color: #cc8844;
}

.timer-name {
    font-size: 1.2em;
    font-weight: bold;
    color: #88e888;
    margin-bottom: 1rem;
    word-wrap: break-word;
}

.timer-display {
    font-size: 2.5em;
    font-weight: bold;
    color: #66cc66;
    text-align: center;
    margin-bottom: 1rem;
    font-variant-numeric: tabular-nums;
}

.timer-card.expired .timer-display {
    color: #ff8888;
}

.timer-card.paused .timer-display {
    color: #ffcc88;
}

.timer-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.timer-btn {
    background-color: #444444;
    color: #66cc66;
    border: 1px solid #66cc66;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
    font-family: monospace;
    flex: 1;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.timer-btn:hover {
    background-color: #555555;
}

.timer-btn.delete {
    background-color: #cc4444;
    color: #ffffff;
    border-color: #cc4444;
}

.timer-btn.delete:hover {
    background-color: #ee6666;
}

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

.no-timers-message {
    text-align: center;
    color: #888888;
    padding: 2rem;
    font-size: 1.1em;
}

.no-timers-message p {
    margin: 0;
}

a {
    color: #66cc66;
    text-decoration: underline;
    transition: color 0.3s ease;
}

a:hover {
    color: #88e888;
    text-decoration: underline;
}

.coffee-link {
    text-align: center;
    margin-top: 2rem;
}

.about-content {
    text-align: left;
    padding: 1rem;
}

.about-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #88e888;
}

.about-content ul {
    margin-left: 1.5rem;
}

.about-content li {
    margin-bottom: 0.5rem;
}

.about-section {
    margin-top: 3rem;
}

.about-section h2 {
    text-align: center;
}

.footer {
    margin-top: 3rem;
    padding: 2rem;
    text-align: center;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.main-container {
    max-width: 900px;
    width: 90%;
    background-color: #333333;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.category-title {
    text-align: center;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    body.sidebar-open,
    body.sidebar-closed {
        margin-left: 0;
    }
    
    .about-content {
        padding: 0.5rem;
    }
    
    .container {
        width: 95%;
        padding: 1rem;
    }
    
    .main-container {
        width: 95%;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .time-inputs {
        grid-template-columns: 1fr;
    }
    
    .timers-container {
        grid-template-columns: 1fr;
    }
    
    .timer-display {
        font-size: 2em;
    }
}