/* Import Google Fonts for a modern look */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;600&display=swap');


/* --- :ROOT VARIABLES --- */
:root {
    --font-primary: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-serif: 'Roboto Slab', serif;
    --font-monospace: 'Source Code Pro', monospace;
    -webkit-tap-highlight-color: transparent;
    
    /* Light Theme - Clean, professional, and airy */
    --bg-gradient-light: linear-gradient(135deg, #f5f7fa 0%, #e9edf2 100%);
    --card-bg-light: rgba(255, 255, 255, 0.75);
    --text-color-light: #1d2a39;
    --text-secondary-light: #5b6a7a;
    --border-color-light: #dce1e8;
    --accent-color-light: #007BFF;
    --shadow-light: 0 8px 32px rgba(18, 38, 63, 0.1);

    /* Dark Theme - Deep, focused, and premium */
    --bg-gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    --card-bg-dark: rgba(34, 34, 34, 0.75);
    --text-color-dark: #e8eaed;
    --text-secondary-dark: #b0b8c2;
    --border-color-dark: rgba(255, 255, 255, 0.12);
    --accent-color-dark: #00aaff;
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Universal Variables - Default to Light Theme */
    --bg-gradient: var(--bg-gradient-light);
    --card-bg: var(--card-bg-light);
    --text-color: var(--text-color-light);
    --text-secondary: var(--text-secondary-light);
    --border-color: var(--border-color-light);
    --accent-color: var(--accent-color-light);
    --shadow-color: var(--shadow-light);
    --settings-bg: rgba(0, 0, 0, 0.04);

    /* Reading Preference Variables */
    --story-font-size: 1.1rem;
    --story-line-height: 1.9;
    --story-font-family: var(--font-primary);
}

[data-theme="dark"] {
    --bg-gradient: var(--bg-gradient-dark);
    --card-bg: var(--card-bg-dark);
    --text-color: var(--text-color-dark);
    --text-secondary: var(--text-secondary-dark);
    --border-color: var(--border-color-dark);
    --accent-color: var(--accent-color-dark);
    --shadow-color: var(--shadow-dark);
    --settings-bg: rgba(255, 255, 255, 0.08);
}


/* --- GENERAL STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-color);
    transition: background 0.4s ease, color 0.4s ease;
}

.container {
    max-width: 1200px; /* NEW: Wider default max-width */
    margin: 0 auto;
    padding: 2rem 1rem;
    transition: max-width 0.4s ease-in-out; /* NEW: Smooth transition for width change */
}

/* NEW: Class to narrow container for reading */
.container.reading-mode {
    max-width: 800px;
}


/* --- CARD & LAYOUT --- */
.card {
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: background 0.4s ease, box-shadow 0.4s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* --- HEADER --- */
.header {
    background: transparent;
    color: var(--text-color);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
}

.title {
    flex-grow: 1;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-btn, .theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.header-btn:hover, .theme-toggle:hover {
    background: var(--settings-bg);
    color: var(--text-color);
    transform: scale(1.05);
}

.theme-toggle .moon { display: none; }
.theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: block; }
[data-theme="dark"] .theme-toggle .sun { display: none; }


/* --- INPUT & BUTTONS --- */
.input-section {
    padding: 2rem;
}

.input-group {
    margin-bottom: 1.75rem;
}
.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.input-field {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--settings-bg);
    color: var(--text-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

textarea.input-field {
    height: 200px;
    resize: vertical;
    line-height: 1.6;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 15%, transparent);
}

.btn {
    background: var(--settings-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}

.btn-primary-action {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem;
    width: 100%;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-primary-action:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-primary-action:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    filter: none;
}

.file-input-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--settings-bg);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.2s ease;
}
.file-input-label:hover {
    border-color: var(--accent-color);
}

.input-note {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
    user-select: none;
    -webkit-user-select: none;
    cursor: default;
}

.file-name-display {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex-grow: 1;
    background: var(--border-color);
    height: 1px;
}

.divider span {
    padding: 0 1rem;
    font-size: 0.85em;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.divider-text {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 1.5rem 0;
}

/* --- LIBRARY STYLES --- */
#librarySection {
    padding: 2rem;
}

.library-actions {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.view-mode-switcher {
    display: flex;
    background: transparent;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.view-mode-btn {
    background: transparent;
    border: none;
    width: 44px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease;
}

.view-mode-btn:hover {
    color: var(--text-color);
}

.view-mode-btn.active {
    background: var(--accent-color);
    color: white;
}

.view-mode-btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.view-mode-btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}


.library-actions .btn-primary-action {
    margin-top: 0;
    width: auto;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

#libraryGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.library-card {
    background: var(--settings-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.library-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-color);
    border-color: color-mix(in srgb, var(--border-color) 50%, var(--accent-color));
}

.library-card-content {
    flex-grow: 1;
}

.library-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.library-card-source {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    word-break: break-all;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.library-card-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.library-card .btn {
    flex-grow: 1;
}

.library-card .delete-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
}

.library-card .delete-btn:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

#libraryGrid.list-view {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-view .library-card {
    flex-direction: row;
    align-items: center;
    padding: 1rem 1.5rem;
}

.list-view .library-card-source {
    margin-bottom: 0;
}

.list-view .library-card-actions {
    margin-left: auto;
    padding-left: 1rem;
}


.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* --- SETTINGS PANEL (Used by Popup) --- */
.settings-panel {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
}

.settings-group {
    margin-bottom: 1.5rem;
}
.settings-group:last-child {
    margin-bottom: 0;
}

.group-title {
    display: block;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.settings-row:last-child {
    margin-bottom: 0;
}

.settings-row label, .settings-row span {
    font-weight: 500;
    color: var(--text-color);
    flex-shrink: 0;
    margin-right: 1rem;
    font-size: 1rem;
}

.settings-row-condensed {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.settings-row-condensed > label {
    font-weight: 500;
    color: var(--text-color);
    width: 100%;
    margin-bottom: -0.5rem;
}


.toggle-switch {
    position: relative;
    width: 50px;
    height: 28px;
    background: color-mix(in srgb, var(--text-color) 15%, transparent);
    border-radius: 14px;
    cursor: pointer;
    transition: background 0.3s;
    border: 1px solid var(--border-color);
}

.toggle-switch.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(22px);
}

.select-field {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    min-width: 120px;
    background: var(--settings-bg);
    color: var(--text-color);
    font-family: var(--font-primary);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.select-field:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 15%, transparent);
}


[data-theme="dark"] .select-field {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e8eaed' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

.select-field option {
    background: var(--card-bg);
    color: var(--text-color);
}


/* --- READING CUSTOMIZATION CONTROLS --- */
.display-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--settings-bg);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.control-btn {
    background: transparent;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease;
}

.control-btn:hover {
    background: color-mix(in srgb, var(--accent-color) 15%, transparent);
    color: var(--text-color);
}

.display-value {
    font-weight: 600;
    min-width: 40px;
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
}

.alignment-control {
    display: flex;
    background: var(--settings-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 4px;
    gap: 4px;
}
.align-btn {
    background: transparent;
    border: none;
    width: 40px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}
.align-btn svg {
    width: 22px;
    height: 22px;
    fill: var(--text-secondary);
    transition: fill 0.2s;
}
.align-btn:hover {
    background: color-mix(in srgb, var(--text-color) 15%, transparent);
}
.align-btn.active {
    background: var(--accent-color);
}
.align-btn.active svg {
    fill: white;
}

/* ADDED: Styles for new color picker */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 40px;
    height: 32px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
}
.color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
    border-radius: inherit;
}
.color-input::-webkit-color-swatch {
    border: none;
    border-radius: 6px;
}
.color-input::-moz-color-swatch {
    border: none;
    border-radius: 6px;
}

.btn-reset {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 5px;
    transition: color 0.2s ease, transform 0.2s ease;
    line-height: 1;
}
.btn-reset:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}


/* --- CONTENT & STORY --- */
.content-section {
    padding: 1rem;
    min-height: 400px;
    position: relative;
}

.story-content {
    font-size: var(--story-font-size);
    line-height: var(--story-line-height);
    font-family: var(--story-font-family);
    color: var(--text-color);
    white-space: pre-wrap;
    min-height: 200px;
    transition: color 0.3s ease, background-color 0.3s ease;
    padding: 1rem;
    border-radius: 12px;
}

/* --- NAVIGATION --- */
.navigation {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--settings-bg);
    border-top: 1px solid var(--border-color);
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.nav-btn:hover:not(:disabled) {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px color-mix(in srgb, var(--accent-color) 20%, transparent);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-center {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.nav-btn.retranslate {
    color: var(--accent-color);
    border-color: currentColor;
}
.nav-btn.retranslate:hover:not(:disabled) {
    color: white;
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.nav-select {
    flex-grow: 1;
    max-width: 300px;
    text-align: center;
    padding-right: 2.5rem; /* for arrow */
}

/* --- STATUS INDICATORS (Loading, Error, etc.) --- */
.loading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    color: var(--text-secondary);
    min-height: 300px;
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid color-mix(in srgb, var(--text-color) 10%, transparent);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error {
    text-align: center;
    padding: 1rem;
    border-radius: 12px;
    margin: 1rem;
    font-weight: 600;
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

/* --- FLOATING BUTTON & POPUP --- */
.floating-settings-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 35px;
    height: 35px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px color-mix(in srgb, var(--accent-color) 40%, transparent);
    z-index: 1000;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.floating-settings-btn svg {
    width: 24px;
    height: 24px;
}

.floating-settings-btn:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.settings-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.settings-popup-content {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-color);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 500px;
    overflow: hidden;
    animation: popup-fade-in 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.popup-actions {
    margin-top: 1.5rem;
    text-align: right;
}

@keyframes popup-fade-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}


/* --- RESPONSIVE DESIGN --- */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
        max-width: 100% !important; /* Override all max-width on mobile */
    }
    
    .header {
        padding: 0.75rem 1rem;
    }

    .title {
        font-size: 1.1rem;
        margin: 0 0.5rem;
    }
    
    .header-btn, .theme-toggle {
        width: 40px;
        height: 40px;
    }

    .input-section, #librarySection, .content-section {
        padding: 1rem;
    }
    
    /* FIXED: Mobile library actions layout */
    .library-actions {
        flex-direction: row; /* Set back to row */
        justify-content: space-between; /* Space out items */
        align-items: center; 
        gap: 1rem;
    }

    .library-actions .btn-primary-action {
        width: auto; /* Let the button shrink */
        padding: 0.75rem 1.2rem; /* Adjust padding for mobile */
        font-size: 0.9rem;
    }

    #libraryGrid {
        grid-template-columns: 1fr;
    }

    .story-content {
        padding: 0.5rem;
    }
    
    /* Smarter navigation layout for mobile */
    .navigation {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 0.75rem 0.5rem;
        gap: 0.75rem;
    }

    .navigation .nav-btn {
        font-size: 1rem;
        padding: 0.75rem;
        flex-grow: 1; 
        flex-basis: 0; 
    }

    .navigation .nav-center {
        width: 100%;
        order: 1; 
        justify-content: center;
    }

    .navigation .nav-select {
        flex-grow: 1;
        min-width: 0;
        text-align: left;
    }
    
    .navigation .retranslate {
        flex-grow: 0;
        flex-shrink: 0;
    }

    .settings-popup-content {
        width: calc(100% - 2rem);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .settings-panel {
        padding: 1.2rem;
    }

    .settings-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
     .settings-row span, .settings-row label {
        font-size: 0.95rem;
     }

    .settings-row-condensed {
        flex-direction: column;
        align-items: stretch;
    }
    
    .settings-row .select-field,
    .settings-row-condensed .select-field,
    .settings-row-condensed .display-control,
    .settings-row-condensed .alignment-control,
    .color-picker-wrapper {
        width: 100%;
        justify-content: space-between;
    }

    .control-btn, .align-btn {
        min-height: 44px;
    }

    .display-control, .alignment-control {
        justify-content: space-between;
    }
    
    .floating-settings-btn {
        bottom: 15px;
        right: 15px;
        width: 48px;
        height: 48px;
    }
    
    .floating-settings-btn svg {
        width: 24px;
        height: 24px;
    }
}