/* =====================================================
   RESPONSIVE STYLES - MOBILE & TABLET
   ===================================================== */

/* Tablet (768px - 992px) */
@media (max-width: 992px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .navbar {
        padding: 1rem 1.5rem;
    }
    
    .nav-title {
        font-size: 1.25rem;
    }
    
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    /* Navbar */
    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-brand {
        flex-direction: column;
        text-align: center;
    }
    
    /* Buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Forms */
    .form-box {
        padding: 1.5rem;
    }
    
    .submit-btn {
        font-size: 1rem;
    }
    
    /* Cards */
    .cards-grid,
    .reports-grid,
    .library-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Spacing */
    .container {
        padding: var(--spacing-md);
    }
    
    /* Modal/Popup */
    .login-container {
        padding: 2rem;
        width: 95%;
    }
}

/* Small Mobile (max-width: 576px) */
@media (max-width: 576px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
    }
    
    body {
        font-size: 14px;
    }
    
    .form-box {
        padding: 1rem;
    }
    
    .login-container {
        padding: 1.5rem;
    }
    
    /* QR Code */
    .qr-section {
        padding: 1rem;
    }
    
    .qr-code-display {
        padding: 1rem;
    }
}

/* Landscape Mobile */
@media (max-height: 600px) and (orientation: landscape) {
    .home-page {
        padding: 2rem 0;
    }
    
    .logo-circle {
        width: 150px;
        height: 150px;
    }
    
    .home-title {
        font-size: 2rem;
    }
    
    .home-subtitle {
        font-size: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .back-btn,
    .submit-btn,
    .logout-btn,
    .qr-section {
        display: none !important;
    }
    
    .form-box {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    * {
        background: white !important;
        color: black !important;
    }
}