/* Responsive CSS - Additional responsive design rules */

/* Tablets and small laptops */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .tool-header h1 {
        font-size: var(--font-xxl);
    }
    
    .control-buttons {
        flex-wrap: wrap;
    }
}

/* Tablets portrait */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 32px;
        --font-xxxl: 36px;
        --font-xxl: 28px;
    }
    
    #main-content {
        padding-top: 50px;
    }
    
    .tool-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .tool-header h1 {
        font-size: var(--font-xl);
    }
    
    .tool-header p {
        font-size: var(--font-base);
    }
    
    /* Touch-friendly buttons */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    input[type="number"],
    input[type="text"],
    input[type="time"],
    select {
        min-height: 44px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Grid adjustments */
    .alarm-options,
    .timer-options {
        grid-template-columns: 1fr;
    }
    
    /* Navigation adjustments */
    .nav-link {
        padding: var(--spacing-md);
    }
    
    /* Modal adjustments */
    .modal-content {
        border-radius: 0;
        height: 100vh;
        max-height: 100vh;
        width: 100%;
        max-width: 100%;
    }
}

/* Large phones landscape */
@media (max-width: 667px) and (orientation: landscape) {
    #global-header {
        padding: var(--spacing-xs) 0;
    }
    
    .header-content {
        padding: var(--spacing-xs) 0;
    }
    
    .logo {
        transform: scale(0.9);
    }
    
    .nav-link span {
        display: none;
    }
    
    .tool-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .clock-display,
    .timer-display,
    .stopwatch-display {
        padding: var(--spacing-md);
    }
}

/* Mobile devices */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 24px;
        --spacing-xxl: 32px;
        --font-xxxl: 28px;
        --font-xxl: 24px;
        --font-xl: 20px;
    }
    
    /* Container full width on mobile */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Stack controls vertically */
    .time-inputs {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .time-inputs .separator {
        display: none;
    }
    
    .time-inputs .input-group {
        width: 100%;
    }
    
    .time-inputs input {
        width: 100% !important;
    }
    
    /* Full width buttons */
    .control-buttons {
        flex-direction: column;
    }
    
    .control-buttons .btn {
        width: 100%;
    }
    
    /* Simplify displays */
    .current-time,
    .timer-value,
    .stopwatch-time {
        font-size: clamp(2rem, 15vw, 3rem);
    }
    
    /* Cards stack vertically */
    .world-clocks-grid,
    .alarms-container {
        grid-template-columns: 1fr;
    }
    
    /* Simplify footer */
    #global-footer {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-section ul {
        display: none;
    }
    
    /* Touch targets */
    .icon-btn {
        width: 44px;
        height: 44px;
    }
    
    .remove-clock {
        width: 36px;
        height: 36px;
    }
    
    /* Hide less important elements */
    .lap-split,
    .lap-difference,
    .time-difference {
        display: none;
    }
}

/* Small mobile devices */
@media (max-width: 360px) {
    :root {
        --font-base: 14px;
        --font-xxxl: 24px;
    }
    
    .logo-text {
        font-size: var(--font-base);
    }
    
    .tool-header h1 {
        font-size: var(--font-lg);
    }
    
    .quick-timers {
        grid-template-columns: 1fr;
    }
    
    .lap-item {
        padding: var(--spacing-sm);
    }
}

/* High resolution displays */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
    /* Sharper borders and shadows */
    .btn,
    .world-clock-card,
    .alarm-item {
        border-width: 0.5px;
    }
    
    .modal-content {
        box-shadow: 0 10px 50px rgba(0, 0, 0, 0.2);
    }
}

/* Touch device adjustments */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .btn:hover,
    .nav-link:hover,
    .alarm-item:hover,
    .world-clock-card:hover {
        transform: none;
    }
    
    /* Larger touch targets */
    .btn,
    input,
    select {
        min-height: 44px;
    }
    
    /* Disable selection on interactive elements */
    .btn,
    .nav-link,
    .icon-btn {
        user-select: none;
        -webkit-user-select: none;
        -webkit-touch-callout: none;
    }
}

/* Print styles */
@media print {
    /* Hide interactive elements */
    .control-buttons,
    .header-actions,
    .remove-clock,
    .delete-alarm,
    #global-header,
    #global-footer,
    .modal {
        display: none !important;
    }
    
    /* Optimize for print */
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .clock-display,
    .timer-display,
    .stopwatch-display {
        background: none;
        border: 1px solid black;
        page-break-inside: avoid;
    }
    
    /* Show URLs for links */
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    /* Page breaks */
    .tab-content {
        page-break-before: always;
    }
    
    /* High contrast */
    .current-time,
    .timer-value,
    .stopwatch-time {
        color: black;
        text-shadow: none;
    }
}

/* 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;
        scroll-behavior: auto !important;
    }
    
    .current-time,
    .timer-value.running,
    .stopwatch-time.running {
        animation: none;
    }
}

/* Dark mode preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-color: #1A1A1A;
        --bg-secondary: #2D2D2D;
        --text-color: #E0E0E0;
        --text-secondary: #B0B0B0;
        --border-color: #404040;
        --shadow-color: rgba(0, 0, 0, 0.3);
    }
}

/* Landscape mobile adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    #global-header {
        position: relative;
    }
    
    #main-content {
        padding-top: 0;
    }
    
    .tool-header {
        display: none;
    }
    
    .clock-display,
    .timer-display,
    .stopwatch-display {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .current-time,
    .timer-value,
    .stopwatch-time {
        font-size: clamp(1.5rem, 8vh, 3rem);
    }
    
    .laps-list {
        max-height: 200px;
    }
}

/* Ultra wide screens */
@media (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
    
    .world-clocks-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    :root {
        --font-base: 18px;
    }
}

/* Foldable devices */
@media (screen-spanning: single-fold-vertical) {
    .world-clocks-grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: env(viewport-segment-width, 0);
    }
}

/* PWA standalone mode */
@media (display-mode: standalone) {
    #global-header {
        padding-top: env(safe-area-inset-top);
    }
    
    #global-footer {
        padding-bottom: env(safe-area-inset-bottom);
    }
}