/* Phantom Inventory Management System - Styles */

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --dark-bg: #1a1a2e;
    --light-bg: #f4f4f4;
    --text-dark: #333;
    --text-light: #fff;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
}

/* Auth Container */
.auth-container {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    max-width: 450px;
    width: 100%;
    margin: 20px;
}

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

.logo {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.auth-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.auth-header p {
    color: #666;
    font-size: 0.9rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

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

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn:active {
    transform: translateY(0);
}

/* Alert Messages */
.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: #666;
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Dashboard Styles */
.dashboard-container {
    background: white;
    min-height: 100vh;
}

.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: bold;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 2px;
}

.navbar-link {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.navbar-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dashboard-content {
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 30px;
}

.dashboard-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 10px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-card p {
    font-size: 2.5rem;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-container {
        padding: 30px 20px;
    }
    
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
}