/* ============================================
   MOBILE & TABLET RESPONSIVE DESIGN
   Optimiert für Handy und Tablet
   ============================================ */

/* Tablet (768px - 1024px) */
@media screen and (max-width: 1024px) and (min-width: 769px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
        max-width: 100%;
    }

    header {
        padding: var(--spacing-xl) var(--spacing-lg);
        margin-bottom: var(--spacing-xl);
    }

    header h1 {
        font-size: 2rem;
    }

    .tool-card {
        padding: 1.5rem;
    }

    .nav-dropdown-menu {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (bis 768px) */
@media screen and (max-width: 768px) {
    /* Container */
    .container {
        padding: var(--spacing-md);
        max-width: 100%;
    }

    /* Header */
    header {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    header h1 {
        font-size: 1.75rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    header::before {
        font-size: 1.2rem;
        top: 0.75rem;
        left: 0.75rem;
    }

    .beta-badge {
        font-size: 0.45em;
        margin-top: 0.5rem;
    }

    .subtitle {
        font-size: 0.875rem;
        padding: 0 var(--spacing-sm);
    }

    /* Navigation */
    .main-nav {
        margin-bottom: var(--spacing-md);
    }

    .nav-wrapper {
        padding: var(--spacing-md);
    }

    .nav-search {
        padding: 0.875rem 2.5rem 0.875rem 1rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .nav-dropdown-menu {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .nav-dropdown-toggle {
        padding: 1rem;
        font-size: 0.95rem;
        min-height: 48px;
    }

    .nav-dropdown-content {
        max-height: 400px;
        padding: var(--spacing-sm);
    }

    .nav-dropdown-item {
        padding: 0.875rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    /* Tool Cards */
    .tool-card {
        padding: 1.25rem;
        margin-bottom: var(--spacing-md);
    }

    .tool-card h2 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    /* Forms */
    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .form-group label {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.875rem;
        font-size: 1rem;
        min-height: 48px;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

    select {
        background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%234ade80" stroke-width="2"><polyline points="6 9 12 15 18 9"></polyline></svg>');
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 20px;
        padding-right: 40px;
    }

    /* Buttons */
    .btn-primary {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px;
    }

    /* Result Box */
    .result-box {
        padding: 1rem;
        font-size: 0.85rem;
        max-height: 400px;
        line-height: 1.6;
    }

    .result-box::before {
        font-size: 0.65rem;
        top: 0.4rem;
        right: 0.75rem;
    }

    /* Footer */
    footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    footer .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    footer .footer-left,
    footer .footer-right {
        text-align: center;
    }

    footer .footer-title {
        font-size: 0.9rem;
        justify-content: center;
    }

    footer p {
        font-size: 0.85rem;
    }
}

/* Small Mobile (bis 480px) */
@media screen and (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }

    header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    header h1 {
        font-size: 1.5rem;
    }

    header::before {
        font-size: 1rem;
        top: 0.5rem;
        left: 0.5rem;
    }

    .beta-badge {
        font-size: 0.5em;
    }

    .subtitle {
        font-size: 0.8rem;
    }

    .nav-wrapper {
        padding: var(--spacing-sm);
    }

    .nav-search {
        padding: 0.75rem 2.5rem 0.75rem 1rem;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .nav-dropdown-toggle {
        padding: 0.875rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .nav-dropdown-item {
        padding: 0.75rem;
        font-size: 0.85rem;
        min-height: 40px;
    }

    .tool-card {
        padding: 1rem;
    }

    .tool-card h2 {
        font-size: 1.1rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.75rem;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .btn-primary {
        padding: 0.875rem;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .result-box {
        padding: 0.875rem;
        font-size: 0.8rem;
        max-height: 350px;
    }

    footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    footer .footer-title {
        font-size: 0.85rem;
    }

    footer p {
        font-size: 0.8rem;
    }
}

/* Touch Optimizations */
@media (hover: none) and (pointer: coarse) {
    button,
    .nav-dropdown-toggle,
    .nav-dropdown-item,
    .btn-primary {
        min-height: 48px;
        -webkit-tap-highlight-color: rgba(74, 222, 128, 0.2);
    }

    button:active,
    .nav-dropdown-toggle:active,
    .nav-dropdown-item:active {
        transform: scale(0.97);
        opacity: 0.9;
    }

    .tool-card:active {
        transform: scale(0.99);
    }
}

/* Landscape Mobile */
@media screen and (max-width: 768px) and (orientation: landscape) {
    header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    header h1 {
        font-size: 1.5rem;
    }

    .nav-dropdown-content {
        max-height: 300px;
    }

    .result-box {
        max-height: 300px;
    }
}