:root {
    --primary-color: #4a90e2;
    --primary-hover: #357abd;
    --secondary-color: #f5f7fa;
    --accent-color: #ff6b6b;
    --accent-hover: #ee5253;
    --text-color: #333;
    --text-muted: #666;
    --border-color: #ddd;
    --card-bg: #fff;
    --danger-color: #ff4757;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    margin: 0;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

h1 {
    color: var(--primary-color);
    margin: 20px 0;
    font-size: 1.8rem;
    text-align: center;
}

.dashboard-container, .login-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 500px;
}

.device-info {
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 25px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
}

.device-info p {
    margin: 5px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

section {
    margin-bottom: 30px;
}

section h2 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="time"] {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s;
}

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

button {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    background-color: #f0f0f0;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    padding: 8px;
}

.manual-feed-card {
    background: #fff5f5;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #ffe3e3;
    text-align: center;
}

.manual-feed-card .status {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.manual-feed-card button {
    background-color: var(--accent-color);
    color: white;
    width: 100%;
    font-size: 1.1rem;
    padding: 15px;
}

.manual-feed-card button:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.manual-feed-card button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Routine Items */
.routine-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.routine-item {
    display: flex;
    gap: 10px;
    align-items: center;
}

.routine-item input {
    flex: 1;
}

hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 25px 0;
}

/* Mobile Adjustments */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .dashboard-container, .login-container {
        padding: 15px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}