/* ===========================
   Responsive Design
   =========================== */

/* Mobile First - Base styles are mobile */

/* Tablets (768px and up) */
@media (min-width: 768px) {
    html, body {
        font-size: 16px;
    }

    .container {
        padding: 0 var(--spacing-xl);
    }

    .navbar-content {
        max-width: 1200px;
    }

    .page-container {
        padding-bottom: 0;
    }

    .bottom-nav {
        display: none !important;
    }

    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .modal {
        max-height: 80vh;
        border-radius: var(--radius-lg);
        margin: auto;
        width: 90%;
        max-width: 600px;
    }

    .modal-overlay {
        align-items: center;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
        padding: 0 var(--spacing-xl);
    }

    .page-container {
        max-width: 1200px;
        margin: 0 auto;
        width: 100%;
    }

    .modal {
        width: 600px;
        max-height: 90vh;
    }

    .btn-large {
        width: auto;
    }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .page-container {
        max-width: 1400px;
    }
}

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 16px;
    }

    html, body {
        font-size: 14px;
    }

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

    .navbar-content {
        gap: var(--spacing-sm);
    }

    .logo-text {
        font-size: 18px;
    }

    .navbar-actions {
        gap: var(--spacing-sm);
    }

    .navbar-btn {
        padding: var(--spacing-xs);
    }

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

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 14px;
    }

    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .form-input,
    .form-textarea,
    .form-select {
        padding: var(--spacing-md);
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .modal {
        max-height: 95vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .modal-overlay {
        align-items: flex-end;
    }

    .splash-logo {
        width: 100px;
        height: 100px;
    }

    .logo-image {
        width: 70px;
        height: 70px;
    }

    .splash-text h1 {
        font-size: 36px;
    }

    .splash-text p {
        font-size: 16px;
    }
}

/* Landscape Mode */
@media (max-height: 600px) {
    .splash-container {
        gap: var(--spacing-md);
    }

    .splash-logo {
        width: 80px;
        height: 80px;
    }

    .logo-image {
        width: 60px;
        height: 60px;
    }

    .splash-text h1 {
        font-size: 32px;
    }

    .splash-text p {
        font-size: 14px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .bottom-nav,
    .navbar-btn,
    .nav-item {
        display: none;
    }

    .page-container {
        padding-bottom: 0;
    }

    body {
        background-color: white;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support (if needed in future) */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #FFFFFF;
        --text-secondary: #CCCCCC;
        --text-light: #999999;
        --bg-primary: #1A1A1A;
        --bg-secondary: #2A2A2A;
        --bg-tertiary: #3A3A3A;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .navbar-btn,
    .nav-item,
    .btn {
        border-width: 0.5px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-item,
    .navbar-btn {
        min-height: 44px;
        min-width: 44px;
    }

    .card {
        box-shadow: var(--shadow-sm);
    }

    .card:active {
        box-shadow: var(--shadow-md);
    }
}

/* Orientation Changes */
@media (orientation: portrait) {
    .page-container {
        padding-bottom: 70px;
    }
}

@media (orientation: landscape) {
    .page-container {
        padding-bottom: 0;
    }

    .bottom-nav {
        height: 60px;
    }

    .nav-label {
        display: none;
    }
}