:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --bg-color: #0F172A;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-attachment: fixed;
}

/* Glassmorphism utility */
.glassmorphism {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

/* Login Page */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    animation: fadeIn 0.5s ease-out;
}

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

.login-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="number"],
select, textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.6);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

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

.btn-primary:active {
    transform: scale(0.98);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-bottom: 15px;
    text-align: center;
    min-height: 20px;
}

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

/* Demo credentials card */
.demo-credentials {
    margin-top: 20px;
    padding: 14px 16px;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 10px;
}

.demo-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.demo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
    background: rgba(255,255,255,0.04);
}

.demo-item:hover {
    background: rgba(79, 70, 229, 0.25);
}

.demo-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.demo-pass {
    font-size: 0.8rem;
    color: #A78BFA;
    font-family: monospace;
    background: rgba(167, 139, 250, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Layout Utilities */
.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 250px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    background: linear-gradient(to right, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 10px;
}

.nav-links a {
    display: block;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.main-content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn {
    background: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* Tags and Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-clean { background: rgba(16, 185, 129, 0.2); color: #34D399; }
.badge-occupied { background: rgba(59, 130, 246, 0.2); color: #60A5FA; }
.badge-dirty { background: rgba(239, 68, 68, 0.2); color: #F87171; }
.badge-cleaning { background: rgba(245, 158, 11, 0.2); color: #FBBF24; }
.badge-maintenance { background: rgba(139, 92, 246, 0.2); color: #A78BFA; }

/* Grid Layouts */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    padding: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}