/* ============================================
   PYTHON ZERO - MOBILE RESPONSIVE STYLES
   Mobile-First Approach
   ============================================ */

/* ============================================
   TABLET AND BELOW (< 1024px)
   ============================================ */
@media screen and (max-width: 1024px) {
    :root {
        --header-height: 55px;
        --footer-height: 35px;
    }

    .logo {
        font-size: 14px;
        letter-spacing: 1px;
    }

    #main-content {
        grid-template-columns: 250px 1fr 300px;
    }

    .panel-content {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   TABLET PORTRAIT AND BELOW (< 768px)
   ============================================ */
@media screen and (max-width: 768px) {
    :root {
        --header-height: 50px;
        --footer-height: auto;
        --panel-header-height: 45px;
        --font-size-base: 13px;
    }

    /* Show hamburger menu */
    .menu-toggle {
        display: flex;
    }

    /* Stack panels vertically */
    #main-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }

    /* Navigation Panel */
    .panel-nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - var(--header-height));
        z-index: 200;
        transition: left var(--transition-speed);
        border-right: var(--border-width) solid var(--color-border);
    }

    .panel-nav.active {
        left: 0;
    }

    .panel-nav .panel-close {
        display: flex;
    }

    /* Help Panel */
    .panel-help {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - var(--header-height));
        z-index: 200;
        transition: right var(--transition-speed);
        border-left: var(--border-width) solid var(--color-border);
    }

    .panel-help.active {
        right: 0;
    }

    .panel-help .panel-close {
        display: flex;
    }

    /* Editor Panel - Full Width */
    .panel-editor {
        grid-row: 2;
        border-right: none;
    }

    /* Output Section - Smaller on Mobile */
    .output-section {
        height: 150px;
    }

    /* Footer */
    #footer {
        padding: var(--spacing-sm);
        height: auto;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }

    .separator {
        display: none;
    }

    /* Touch-Friendly Buttons */
    .btn {
        padding: 12px var(--spacing-md);
        min-height: 44px;
        font-size: var(--font-size-base);
    }

    .btn-small {
        padding: 8px 12px;
        min-height: 36px;
    }

    /* Track Items - Larger Touch Targets */
    .track {
        padding: 12px var(--spacing-md);
        min-height: 44px;
    }

    /* Panel Headers - Touch Friendly */
    .panel-header {
        height: var(--panel-header-height);
    }

    /* Help Content - Better Mobile Spacing */
    .help-content h3 {
        font-size: 16px;
    }

    .help-content h4 {
        font-size: 14px;
    }
}

/* ============================================
   MOBILE (< 480px)
   ============================================ */
@media screen and (max-width: 480px) {
    :root {
        --font-size-base: 12px;
        --font-size-small: 11px;
        --spacing-md: 12px;
    }

    .logo {
        font-size: 12px;
        letter-spacing: 0.5px;
    }

    /* Simplify logo on very small screens */
    .logo::after {
        content: none;
    }

    /* Navigation Panel - Full Width */
    .panel-nav {
        width: 90%;
        max-width: none;
    }

    /* Help Panel - Full Width */
    .panel-help {
        width: 90%;
        max-width: none;
    }

    /* Editor Controls - Stack Vertically */
    .editor-controls {
        flex-direction: column;
        width: 100%;
    }

    .editor-controls .btn {
        width: 100%;
    }

    /* Output Header - Stack on Small Screens */
    .output-header {
        flex-wrap: wrap;
        height: auto;
        min-height: var(--panel-header-height);
    }

    .status-bar {
        width: 100%;
        justify-content: space-between;
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }

    /* Footer - Minimal on Small Screens */
    .footer-content {
        font-size: 10px;
    }
}

/* ============================================
   VERY SMALL SCREENS (< 320px)
   iPhone SE and similar
   ============================================ */
@media screen and (max-width: 320px) {
    :root {
        --font-size-base: 11px;
        --font-size-small: 10px;
        --spacing-sm: 6px;
        --spacing-md: 10px;
    }

    .logo {
        font-size: 10px;
    }

    /* Hide less critical footer info */
    #footer kbd {
        display: none;
    }
}

/* ============================================
   LANDSCAPE MOBILE (max-height: 500px)
   ============================================ */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .output-section {
        height: 120px;
    }

    .panel-content {
        padding: var(--spacing-sm);
    }

    .help-content h3,
    .help-content h4 {
        margin-top: var(--spacing-sm);
        margin-bottom: var(--spacing-xs);
    }
}

/* ============================================
   TOUCH IMPROVEMENTS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Enhance touch targets */
    .track,
    .btn,
    .panel-close {
        min-height: 44px;
    }

    /* Remove hover effects on touch devices */
    .btn:hover {
        background-color: var(--color-primary-dim);
        color: var(--color-primary);
    }

    .track:hover {
        border-color: transparent;
        background-color: transparent;
        box-shadow: none;
    }

    /* Better touch scrolling */
    .panel-content,
    .output-content {
        -webkit-overflow-scrolling: touch;
    }
}

/* ============================================
   OVERLAY FOR MOBILE PANELS
   ============================================ */
@media screen and (max-width: 768px) {
    /* Overlay background when panels are open */
    body::before {
        content: '';
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.7);
        z-index: 199;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-speed);
    }

    body.panel-open::before {
        opacity: 1;
        pointer-events: all;
    }
}

/* ============================================
   PRINT STYLES (Bonus)
   ============================================ */
@media print {
    .panel-nav,
    .panel-help,
    #header,
    #footer,
    .panel-header,
    .output-section {
        display: none;
    }

    .CodeMirror {
        border: 1px solid #000;
    }
}