/* Mobile Optimization for ADHD Tools Hub */
@media (max-width: 768px) {
    /* Global layout constraint to fit screen without scrolling the body */
    html, body {
        height: 100vh; /* Use 100dvh if supported, but vh is safer for compatibility */
        height: 100dvh;
        overflow: hidden;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
    }

    /* Compact Header */
    header {
        flex: 0 0 auto;
        padding: 0.5rem 0;
        background-color: var(--primary-color);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 200;
    }

    header h1 {
        font-size: 1.2rem;
        margin: 0;
    }

    /* Hide tagline to save space */
    header p[data-i18n="tagline"] {
        display: none;
    }

    .current-time {
        font-size: 0.8rem;
        margin-top: 0;
    }

    /* Nav */
    nav {
        flex: 0 0 auto;
        position: relative; /* Ensure it stays in flow or sticky if needed */
        z-index: 100;
    }

    /* Main Container */
    main {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden; /* Prevent body scroll */
        padding: 0;
    }

    .container {
        height: 100%;
        display: flex;
        flex-direction: column;
        padding: 0 10px;
        width: 100%;
    }

    /* Footer */
    footer {
        display: none;
    }

    /* Tool Sections */
    .tool-section {
        height: 100%;
        /* display: none; inherited from styles.css */
        flex-direction: column;
        padding: 10px 5px;
        border-radius: 0;
        box-shadow: none;
        overflow-y: auto; /* Default to scrollable for simple tools (Settings, About, etc.) */
    }

    .tool-section.active {
        display: flex; /* Override default block and make visible */
    }

    /* Complex tools manage their own internal scrolling */
    #pomodoro, #planner, #routine, #calendar {
        overflow-y: hidden;
    }

    .tool-section h2 {
        flex: 0 0 auto;
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
        text-align: center;
    }

    /* Hide descriptions */
    .tool-section p[data-i18n$="-text"],
    .tool-section > p {
        display: none;
    }

    /* --- Pomodoro Optimization --- */
    #pomodoro .pomodoro-container {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-evenly;
        align-items: center;
        overflow-y: auto;
        padding-bottom: 1rem;
    }

    #pomodoro .timer-circle {
        width: min(70vw, 280px);
        height: min(70vw, 280px);
        margin: 1rem auto;
    }

    #pomodoro .time {
        font-size: 3.5rem;
    }

    #pomodoro .timer-controls {
        flex-direction: row;
        gap: 1rem;
        width: 100%;
        justify-content: center;
    }

    #pomodoro .timer-controls button {
        padding: 1rem 1.5rem;
        font-size: 1.2rem;
        flex: 1;
        max-width: 120px;
    }

    /* Make settings less prominent */
    #pomodoro details.pomodoro-settings-collapsible {
        margin-top: auto;
        width: 100%;
        opacity: 0.8;
    }

    /* --- Day Planner Optimization --- */
    #planner .day-planner-container {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        position: relative;
    }

    #planner .planner-header {
        flex: 0 0 auto;
        padding: 0.5rem;
        background: var(--surface);
        z-index: 10;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    #planner h3#current-date {
        font-size: 1.1rem;
        margin: 0;
        text-align: center;
    }

    #planner .planner-controls {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }

    /* Hide less important buttons text */
    #planner .planner-controls .btn-text {
        display: none;
    }

    #planner .planner-controls button {
        padding: 0.5rem;
        width: 40px;
        height: 40px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /* Important: Add Event floating button */
    #add-event-btn {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background-color: var(--primary-color);
        color: white;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        z-index: 500;
        display: flex !important;
        align-items: center;
        justify-content: center;
    }

    #add-event-btn i {
        font-size: 1.5rem;
    }

    #planner .time-blocks-container {
        flex: 1;
        overflow-y: auto;
        height: auto;
        max-height: none;
        padding-bottom: 80px; /* Space for FAB */
    }

    /* --- Routine Tool Optimization --- */
    #routine .routine-container {
        height: 100%;
        display: flex;
        flex-direction: column;
        padding: 0;
        gap: 0;
    }

    #routine .routine-player {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 0.5rem;
        overflow-y: auto;
    }

    /* Reorder items to put controls at bottom */
    #routine .routine-player > * {
        order: 1;
    }

    #routine .routine-player-controls {
        order: 10; /* Bottom */
        margin-top: auto;
        padding: 1rem 0;
        position: sticky;
        bottom: 0;
        background: var(--surface);
        border-top: 1px solid #eee;
        z-index: 10;
    }

    #current-task-display {
        flex: 2; /* Take more space */
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 1rem;
        text-align: center;
    }

    #current-task-name {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    #current-task-time-left {
        font-size: 3rem;
        font-weight: bold;
        color: var(--primary-color);
    }

    .pie-chart-container {
        max-height: 150px;
        margin: 0 auto;
    }

    #routine .routine-player-controls button {
        padding: 1rem;
        flex: 1;
    }

    /* Hide instructions */
    .instructions {
        display: none;
    }

    /* Reorder Routine content to put Start button at top */
    #active-routine-display {
        display: flex;
        flex-direction: column;
    }

    #player-current-routine-name {
        order: 1;
        margin-bottom: 0.5rem;
    }

    #start-best-match-btn {
        order: 2;
        margin-bottom: 1rem;
        width: 100%;
        padding: 1rem;
        font-size: 1.2rem;
    }

    #player-routine-tasks {
        order: 3;
    }

    #active-routine-display > p {
        order: 4;
    }

    /* --- Calendar Optimization --- */
    #calendar .calendar-layout {
        display: flex;
        flex-direction: column;
        height: 100%;
        gap: 0;
    }

    /* Hide Sidebar/Settings on mobile by default */
    #calendar .calendar-sidebar {
        display: none;
    }

    #calendar .calendar-main {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        border-radius: 0;
    }

    #calendar .calendar-toolbar {
        flex: 0 0 auto;
        padding: 0.5rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    #calendar-header {
        font-size: 1rem;
        min-width: auto;
    }

    #calendar .calendar-view-toggles {
        flex: 1;
        justify-content: center;
    }

    #calendar .calendar-view-toggles button {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        flex: 1;
    }

    #calendar-view {
        flex: 1;
        overflow-y: auto;
    }

    /* --- Home / Today View --- */
    #home {
        overflow-y: auto; /* Home allows scrolling because grid needs space */
    }

    #home .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    #today-view {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .today-current {
        order: 1;
    }

    .today-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    #today-start-focus {
        grid-column: 1 / -1; /* Full width */
        padding: 1rem;
        font-size: 1.1rem;
    }

    /* Common Elements */
    button, .btn {
        min-height: 48px; /* Touch target */
        touch-action: manipulation;
    }
}