/* VMS Main Styles */

:root {
    --primary-color: #2196F3;
    --secondary-color: #FF9800;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --warning-color: #FFC107;
    --dark-bg: #121212;
    --light-bg: #FAFAFA;
    --border-color: #E0E0E0;
    --text-primary: #212121;
    --text-secondary: #757575;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --spacing-unit: 1rem;
}

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

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-unit) 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
    font-weight: 500;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    opacity: 0.8;
    border-bottom: 2px solid white;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
    min-height: calc(100vh - 200px);
}

/* Pages */
.page {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: calc(var(--spacing-unit) * 4) 0;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-unit);
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: var(--spacing-unit);
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Forms */
.form-container {
    background: white;
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

.form-container h2 {
    margin-bottom: var(--spacing-unit);
    color: var(--primary-color);
}

.form-group {
    margin-bottom: var(--spacing-unit);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1976D2;
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: #F57C00;
    box-shadow: var(--shadow);
}

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

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

/* Visitor Card */
.visitor-card {
    background: linear-gradient(135deg, var(--primary-color), #1976D2);
    color: white;
    padding: var(--spacing-unit);
    border-radius: 8px;
    margin: var(--spacing-unit) 0;
    text-align: center;
}

.visitor-card h4 {
    margin-bottom: 0.5rem;
}

/* Dashboard */
.dashboard-container {
    max-width: 1000px;
    margin: 0 auto;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-unit);
    margin-top: var(--spacing-unit);
}

.dashboard-card {
    background: white;
    padding: var(--spacing-unit);
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.dashboard-card h4 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Messages */
.success-message {
    background-color: #E8F5E9;
    border-left: 4px solid var(--success-color);
    padding: var(--spacing-unit);
    border-radius: 4px;
    margin-top: var(--spacing-unit);
}

.success-message h3 {
    color: var(--success-color);
    margin-bottom: 0.5rem;
}

.error-message {
    background-color: #FFEBEE;
    border-left: 4px solid var(--danger-color);
    padding: var(--spacing-unit);
    border-radius: 4px;
    color: var(--danger-color);
}

.message-box {
    background-color: #FFF3E0;
    border-left: 4px solid #FF9800;
    padding: var(--spacing-unit);
    border-radius: 4px;
    color: #333;
    margin-top: var(--spacing-unit);
}

.message-box p {
    margin: 0;
}

.message-box a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.message-box a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: var(--spacing-unit);
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--primary-color);
        padding: var(--spacing-unit);
        gap: 0.5rem;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-toggle {
        display: block;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .features-section {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .main-container {
        padding: 1rem;
    }

    .form-container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar-logo {
        font-size: 1.2rem;
    }

    .hero-section h1 {
        font-size: 1.5rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}