/* General Reset */
* { 
    box-sizing: border-box; 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
}

/* Glassmorphism Card */
.container-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 35px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    color: white;
}

h2 { margin-bottom: 25px; font-weight: 400; letter-spacing: 1px; }

/* Form Elements */
.input-group { margin-bottom: 18px; text-align: left; }

input {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    outline: none;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    font-size: 16px;
    transition: 0.3s;
}

input::placeholder { color: rgba(255, 255, 255, 0.7); }

input:focus {
    background: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
}

.btn-primary { background: #fff; color: #764ba2; margin-top: 10px; }
.btn-primary:hover { background: #f8f9fa; transform: translateY(-2px); }

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
    margin-top: 15px;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

/* Status Labels (Useful for Inventory) */
.status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 5px;
    font-weight: bold;
}
.status-available { background: #28a745; }
.status-out { background: #dc3545; }/* CSS Document */