/**
 * InScript Assamese Keyboard - Dedicated Component Stylesheet
 * File: assets/css/inscript-keyboard.css
 * 
 * Strictly scoped to the typing section and on-screen InScript keyboard.
 * Does not overwrite global body, header, or container styles.
 */

/* ==========================================================================
   1. Typing Section Workstation Container
   ========================================================================== */
.typing-section {
    background: #ffffff;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 20px;
    padding: 26px 28px;
    box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    margin-bottom: 40px;
    transition: all 0.25s ease;
}

.typing-area {
    margin-bottom: 22px;
}

/* ==========================================================================
   2. Control Buttons Toolbar
   ========================================================================== */
.controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

/* Keyboard Mode Switcher (In-Script vs Phonetic) */
.kb-switch-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kb-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.16s ease;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #475569;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.kb-switch-btn i {
    font-size: 0.74rem;
    color: #64748b;
    transition: color 0.15s ease;
}

.kb-switch-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #4f46e5;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.kb-switch-btn:hover i {
    color: #4f46e5;
}

.kb-switch-btn.active {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.32);
}

/* Glowing green dot indicating active keyboard mode */
.kb-switch-btn.active::before {
    content: "";
    display: inline-block;
    width: 7.5px;
    height: 7.5px;
    border-radius: 50%;
    background-color: #22c55e;
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.35), 0 0 8px #22c55e;
    margin-right: 6px;
    flex-shrink: 0;
    animation: activeDotPulse 1.8s infinite ease-in-out;
}

@keyframes activeDotPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.25);
        opacity: 0.85;
    }
}

/* Action Controls Right Group */
.controls-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

body.kb-dark-theme .kb-switch-btn {
    background: #27272a;
    border-color: #3f3f46;
    color: #d4d4d8;
}

body.kb-dark-theme .kb-switch-btn:hover {
    background: #3f3f46;
    color: #ffffff;
}

body.kb-dark-theme .kb-switch-btn.active {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: #ffffff;
    border-color: transparent;
}

.select-keyboard-control-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.28);
    font-family: inherit;
    transition: all 0.18s ease;
}

.select-keyboard-control-btn:hover {
    background: linear-gradient(135deg, #4338ca 0%, #3730a3 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.38);
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 190px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transform: translateY(6px);
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-content {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown-content a,
.dropdown-content button,
.dropdown-content .dropdown-item {
    display: flex;
    align-items: center;
    gap: 9px;
    width: 100%;
    padding: 9px 12px;
    color: #334155;
    font-size: 0.86rem;
    font-weight: 500;
    text-decoration: none;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: all 0.15s ease;
}

.dropdown-content button i,
.dropdown-content .dropdown-item i {
    width: 16px;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.dropdown-content a:hover,
.dropdown-content button:hover,
.dropdown-content .dropdown-item:hover {
    background: #eef2ff;
    color: #4f46e5;
}

.dropdown-content button:hover i,
.dropdown-content .dropdown-item:hover i {
    color: #4f46e5;
}

/* Standard Control Buttons - Compact & Sleek */
.control-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    color: #475569;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all 0.16s ease;
}

.control-btn i {
    font-size: 0.74rem;
    color: #64748b;
    transition: color 0.15s ease;
}

.control-btn:hover {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #4f46e5;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.control-btn:hover i {
    color: #4f46e5;
}

.font-size-btn {
    min-width: 32px;
    padding: 5px 8px;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.3px;
}

.control-btn:active {
    transform: translateY(0);
    box-shadow: none;
    background: #eef2ff;
}

/* ==========================================================================
   3. Textarea Typing Canvas & Bottom Bar
   ========================================================================== */
textarea#textInput {
    width: 100%;
    height: 180px;
    padding: 20px 22px;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    font-size: 19px;
    line-height: 1.75;
    font-family: "Noto Sans Bengali", "Kalpurush", "Segoe UI", Arial, sans-serif;
    resize: vertical;
    background: #ffffff;
    color: #0f172a;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#textInput:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12), 0 4px 16px rgba(79, 70, 229, 0.08);
}

/* ==========================================================================
   Phonetic Alternative Word Suggestions Bar
   ========================================================================== */
.phonetic-suggestions-bar {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    min-height: 50px;
    box-sizing: border-box;
    padding: 6px 14px;
    margin-top: 8px;
    margin-bottom: 6px;
    background: #ffffff;
    border: 1.5px solid #e0e7ff;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(79, 70, 229, 0.05), 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: all 0.15s ease;
}

.phonetic-suggestions-bar.is-active {
    border-color: #818cf8;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.1);
}

.suggestions-idle-hint {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    font-size: 0.84rem;
    font-weight: 500;
    user-select: none;
}

.suggestions-idle-hint i {
    font-size: 0.9rem;
    color: #6366f1;
}

.keyboard-dark .phonetic-suggestions-bar,
body.kb-dark-theme .phonetic-suggestions-bar {
    background: #18181b;
    border-color: #3f3f46;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.keyboard-dark .suggestions-idle-hint,
body.kb-dark-theme .suggestions-idle-hint {
    color: #71717a;
}

.suggestion-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: #f1f5f9;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    font-family: "Noto Sans Bengali", "Kalpurush", sans-serif;
    transition: all 0.12s ease;
    user-select: none;
}

.keyboard-dark .suggestion-pill,
body.kb-dark-theme .suggestion-pill {
    background: #27272a;
    border-color: #3f3f46;
    color: #f1f5f9;
}

.suggestion-pill .pill-num {
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    background: #e2e8f0;
    padding: 1px 5px;
    border-radius: 4px;
    font-family: "Inter", sans-serif;
}

.keyboard-dark .suggestion-pill .pill-num,
body.kb-dark-theme .suggestion-pill .pill-num {
    background: #3f3f46;
    color: #94a3b8;
}

.suggestion-pill:hover,
.suggestion-pill.active {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%) !important;
    border-color: #4338ca !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
    transform: translateY(-1px);
}

.suggestion-pill:hover .pill-num,
.suggestion-pill.active .pill-num {
    background: rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
}

.suggestions-hint {
    margin-left: auto;
    font-size: 11px;
    color: #64748b;
    font-family: "Inter", sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.keyboard-dark .suggestions-hint,
body.kb-dark-theme .suggestions-hint {
    color: #94a3b8;
}

/* Bottom Bar below Textarea - Sticks cleanly right below the box line */
.textarea-bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
    margin-bottom: 12px;
    padding-left: 2px;
    padding-right: 2px;
    gap: 12px;
    flex-wrap: wrap;
}

/* Live Word / Character Counter - Plain clean text stuck to the box line */
.char-counter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    color: #64748b;
    font-size: 0.84rem;
    font-weight: 500;
}

.char-counter span span {
    color: #4f46e5;
    font-weight: 700;
}

.counter-divider {
    color: #cbd5e1;
}

.help-text {
    font-size: 0.86rem;
    color: #64748b;
    margin: 0;
}

/* ==========================================================================
   4. On-Screen Virtual InScript Keyboard (Compact & Tactile)
   ========================================================================== */
.keyboard {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    border-radius: 14px;
    padding: 16px 20px;
    border: 1px solid #e2e8f0;
    position: relative;
    user-select: none;
    box-sizing: border-box;
    transition: all 0.25s ease;
}

/* Light Theme */
.keyboard-light {
    background: #f1f5f9;
    border-color: #cbd5e1;
    box-shadow: 0 8px 24px -4px rgba(15, 23, 42, 0.07), inset 0 1px 0 #ffffff;
}

/* Dark Theme */
.keyboard-dark {
    background: #18181b;
    border-color: #27272a;
    box-shadow: 0 10px 28px -4px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Keyboard Top Bar & Toggles */
.keyboard-top-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.mode-toggle,
.sound-toggle-wrap {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 600;
    color: #475569;
    transition: color 0.15s ease;
}

.keyboard-dark .mode-toggle,
.keyboard-dark .sound-toggle-wrap {
    color: #a1a1aa;
}

.mode-toggle:hover,
.sound-toggle-wrap:hover {
    color: #4f46e5;
}

/* Checkbox Toggle Switches */
.mode-toggle input[type="checkbox"],
.sound-toggle-wrap input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 34px;
    height: 18px;
    background: #cbd5e1;
    border-radius: 999px;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.keyboard-dark .mode-toggle input[type="checkbox"],
.keyboard-dark .sound-toggle-wrap input[type="checkbox"] {
    background: #3f3f46;
}

.mode-toggle input[type="checkbox"]::before,
.sound-toggle-wrap input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: #ffffff;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.mode-toggle input[type="checkbox"]:checked,
.sound-toggle-wrap input[type="checkbox"]:checked {
    background: #4f46e5;
}

.mode-toggle input[type="checkbox"]:checked::before,
.sound-toggle-wrap input[type="checkbox"]:checked::before {
    transform: translateX(16px);
}

/* Top Bar Action Buttons: Hide Keyboard & Fullscreen Mode */
#kbToggleBtn,
#kbFullscreenBtn {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    cursor: pointer;
    padding: 5px 12px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #334155;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all 0.18s ease;
}

#kbToggleBtn {
    margin-left: auto;
}

#kbFullscreenBtn {
    margin-left: 0;
}

.keyboard-dark #kbToggleBtn,
.keyboard-dark #kbFullscreenBtn {
    background: #27272a;
    border-color: #3f3f46;
    color: #e4e4e7;
}

#kbToggleBtn:hover,
#kbFullscreenBtn:hover {
    color: #4f46e5;
    border-color: #818cf8;
    transform: translateY(-1px);
}

/* Keyboard Collapsed / Hidden State */
.keyboard.keyboard-collapsed .keyboard-row,
.keyboard.keyboard-collapsed .keyboard-watermark {
    display: none !important;
}

.keyboard.keyboard-collapsed {
    padding-bottom: 8px !important;
    margin-bottom: 24px !important;
}

.keyboard.keyboard-collapsed #kbToggleBtn {
    background: #eef2ff;
    color: #4f46e5;
    border-color: #c7d2fe;
}

.keyboard-dark.keyboard-collapsed #kbToggleBtn {
    background: #312e81;
    color: #c7d2fe;
    border-color: #6366f1;
}

/* Keyboard Rows (Compact) */
.keyboard-row {
    display: flex;
    justify-content: center;
    gap: clamp(2.5px, 0.35vw, 5px);
    margin-bottom: clamp(3.5px, 0.45vw, 6px);
    align-items: stretch;
    width: 100%;
}

/* Tactile 3D Key Design - Prominent & Clearly Readable */
.key {
    flex: 1 1 0;
    min-width: 0;
    height: clamp(44px, 3.6vw, 52px);
    border: 1.5px solid #cbd5e1;
    border-bottom: 3.5px solid #94a3b8;
    border-radius: clamp(6px, 0.6vw, 9px);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    cursor: pointer;
    font-size: clamp(16px, 1.4vw, 21px);
    font-weight: 700;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #0f172a;
    font-family: "Noto Sans Bengali", "Kalpurush", "Segoe UI", Arial, sans-serif;
    box-shadow: 0 1.5px 3px rgba(0, 0, 0, 0.06);
    user-select: none;
    line-height: 1;
    transition: transform 0.06s ease, border-bottom-width 0.06s ease, background-color 0.1s ease;
}

.key:hover {
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    transform: translateY(-1px);
    border-bottom-width: 4.5px;
    border-color: #818cf8;
}

.key:active,
.key.pressed,
.key.active {
    transform: translateY(2px);
    border-bottom-width: 1px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    background: #eef2ff !important;
    border-color: #4f46e5 !important;
}

/* Dark Theme Keys */
.keyboard-dark .key {
    background: linear-gradient(180deg, #27272a 0%, #18181b 100%);
    border-color: #3f3f46;
    border-bottom: 3.5px solid #09090b;
    color: #f8fafc;
    box-shadow: 0 1.5px 4px rgba(0, 0, 0, 0.3);
}

.keyboard-dark .key:hover {
    background: linear-gradient(180deg, #3f3f46 0%, #27272a 100%);
    border-color: #818cf8;
}

.keyboard-dark .key:active,
.keyboard-dark .key.pressed,
.keyboard-dark .key.active {
    background: #312e81 !important;
    border-color: #818cf8 !important;
}

/* Key Character Annotations - Clear & Legible Shift Characters */
.shift-char {
    font-size: clamp(13px, 1.15vw, 16px);
    color: #334155;
    position: absolute;
    top: 2px;
    right: 5px;
    font-weight: 700;
    line-height: 1;
}

.keyboard-dark .shift-char {
    color: #f1f5f9;
}

.english-letter {
    font-size: clamp(9px, 0.8vw, 11.5px);
    color: #4f46e5;
    position: absolute;
    bottom: 2px;
    left: 5px;
    font-weight: 800;
    font-family: "Inter", sans-serif;
    line-height: 1;
}

.keyboard-dark .english-letter {
    color: #a5b4fc;
}

/* Special Functional Keys */
.special-key {
    background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
    color: #334155;
    font-size: clamp(11px, 0.92vw, 13.5px);
    font-weight: 700;
    border-bottom: 3.5px solid #cbd5e1;
}

.keyboard-dark .special-key {
    background: linear-gradient(180deg, #27272a 0%, #202023 100%);
    color: #cbd5e1;
    border-bottom: 3px solid #121215;
}

/* Proportional Flex Ratios for Special Keys */
.key[data-key="backspace"] { flex: 1.75 1 0; }
.key[data-key="tab"] { flex: 1.45 1 0; }
.key[data-key="backslash"] { flex: 1.15 1 0; }
.key[data-key="capslock"] { flex: 1.75 1 0; }
.key[data-key="enter"] { flex: 1.85 1 0; }
.key[data-key="shiftleft"] { flex: 2.15 1 0; }
.key[data-key="shiftright"] { flex: 2.35 1 0; }
.space-key { flex: 6.8 1 0; }
.key[data-key="controlleft"],
.key[data-key="controlright"] { flex: 1.35 1 0; }
.key[data-key="altleft"],
.key[data-key="altright"] { flex: 1.15 1 0; }

/* Shift Mode State - Triggered when user presses or holds Shift */
.shift-mode .key {
    background: #fffbeb;
    border-color: #fde68a;
    border-bottom-color: #d97706;
    color: rgba(15, 23, 42, 0.22) !important; /* Dim the normal character */
}

/* Enlarge Shift Character and bring to center */
.shift-mode .shift-char {
    font-size: clamp(17px, 1.5vw, 22px) !important;
    font-weight: 800 !important;
    color: #b45309 !important;
    top: 50% !important;
    left: 50% !important;
    right: auto !important;
    transform: translate(-50%, -50%) !important;
    z-index: 5;
    text-shadow: 0 1px 2px rgba(217, 119, 6, 0.15);
    transition: font-size 0.12s ease, transform 0.12s ease;
}

.shift-mode .english-letter {
    opacity: 0.35;
}

/* Dark Theme Shift Mode */
.keyboard-dark.shift-mode .key {
    background: #272115 !important;
    border-color: #78350f !important;
    border-bottom-color: #d97706 !important;
    color: rgba(248, 250, 252, 0.2) !important;
}

.keyboard-dark.shift-mode .shift-char {
    color: #fde047 !important;
    text-shadow: 0 0 10px rgba(253, 224, 71, 0.4);
}

.keyboard-dark.shift-mode .english-letter {
    opacity: 0.3;
}

.shift-mode .special-key {
    color: #334155 !important;
}

.keyboard-dark.shift-mode .special-key {
    color: #cbd5e1 !important;
}

/* By default, hide english-shift in In-Script mode */
.english-shift {
    display: none !important;
}

/* ==========================================================================
   Phonetic & English Normal Virtual Keyboard Mode
   (Clean 100% QWERTY keyboard with full symbol pairs)
   ========================================================================== */
.keyboard.english-mode .key {
    font-size: 0 !important; /* Completely hides the underlying Assamese letter text */
    color: transparent !important;
    position: relative;
}

.keyboard.english-mode .key.special-key {
    font-size: clamp(11px, 0.92vw, 13.5px) !important;
    color: #334155 !important;
}

.keyboard-dark.english-mode .key.special-key {
    color: #cbd5e1 !important;
}

/* Completely hide all Assamese shift characters */
.keyboard.english-mode .shift-char {
    display: none !important;
}

/* Center normal English letter prominently on letter keys */
.keyboard.english-mode .english-letter {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-size: clamp(15px, 1.35vw, 19px) !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    line-height: 1 !important;
    z-index: 3 !important;
    display: block !important;
    opacity: 1 !important;
}

.keyboard-dark.english-mode .english-letter {
    color: #f8fafc !important;
}

/* Dual-symbol keys in English Mode (e.g. + above =, _ above -, ! above 1) */
.keyboard.english-mode .key-dual .english-shift {
    display: block !important;
    position: absolute !important;
    top: 4px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    font-size: clamp(10.5px, 0.9vw, 13px) !important;
    font-weight: 700 !important;
    color: #64748b !important;
    line-height: 1 !important;
    z-index: 3 !important;
    transition: all 0.12s ease;
}

.keyboard-dark.english-mode .key-dual .english-shift {
    color: #94a3b8 !important;
}

.keyboard.english-mode .key-dual .english-letter {
    top: auto !important;
    bottom: 4px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    font-size: clamp(12.5px, 1.1vw, 15.5px) !important;
    font-weight: 700 !important;
}

/* Uppercase and Shift Highlight in Shift / Caps mode */
.keyboard.english-mode.shift-mode .english-letter {
    text-transform: uppercase;
    color: #4f46e5 !important;
}

.keyboard-dark.english-mode.shift-mode .english-letter {
    color: #818cf8 !important;
}

.keyboard.english-mode.shift-mode .key-dual .english-shift {
    color: #4f46e5 !important;
    font-size: clamp(12.5px, 1.1vw, 15.5px) !important;
    transform: translateX(-50%) scale(1.1) !important;
}

.keyboard-dark.english-mode.shift-mode .key-dual .english-shift {
    color: #818cf8 !important;
}

.keyboard.english-mode.shift-mode .key-dual .english-letter {
    opacity: 0.45 !important;
}

.keyboard.english-mode .key:hover .english-letter,
.keyboard.english-mode .key:hover .english-shift {
    color: #4f46e5 !important;
}

.keyboard-dark.english-mode .key:hover .english-letter,
.keyboard-dark.english-mode .key:hover .english-shift {
    color: #818cf8 !important;
}

/* Vivid Keypress effect in Phonetic / English Mode */
.keyboard.english-mode .key:active,
.keyboard.english-mode .key.pressed,
.keyboard.english-mode .key.active {
    transform: translateY(2px) !important;
    border-bottom-width: 1px !important;
    background: #eef2ff !important;
    border-color: #4f46e5 !important;
    box-shadow: inset 0 2px 4px rgba(79, 70, 229, 0.2) !important;
}

.keyboard.english-mode .key:active .english-letter,
.keyboard.english-mode .key.pressed .english-letter,
.keyboard.english-mode .key.active .english-letter {
    color: #4f46e5 !important;
    transform: translate(-50%, -46%) scale(1.08) !important;
}

.keyboard-dark.english-mode .key:active,
.keyboard-dark.english-mode .key.pressed,
.keyboard-dark.english-mode .key.active {
    background: #312e81 !important;
    border-color: #818cf8 !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4) !important;
}

.keyboard-dark.english-mode .key:active .english-letter,
.keyboard-dark.english-mode .key.pressed .english-letter,
.keyboard-dark.english-mode .key.active .english-letter {
    color: #c7d2fe !important;
    transform: translate(-50%, -46%) scale(1.08) !important;
}

/* Caps & Shift Active Indicators */
.caps-lock.active,
.shift-key.active {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #ffffff !important;
    border-bottom-color: #047857 !important;
}

/* Watermark */
.keyboard-watermark {
    text-align: center;
    margin-top: 18px;
    font-size: 0.78rem;
    color: #64748b;
    font-weight: 500;
}

.keyboard-dark .keyboard-watermark {
    color: #a1a1aa;
}

/* Toast Notification */
#at-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: #0f172a;
    color: #ffffff;
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 10000;
    white-space: nowrap;
}

#at-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Fullscreen Mode - Spacious, Centered & Distraction-Free */
.typing-section.fs-mode {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: #f8fafc;
    border-radius: 0;
    padding: 24px 32px 36px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.typing-section.fs-mode .typing-area {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto 16px auto;
}

.typing-section.fs-mode #textInput {
    height: 34vh;
    min-height: 200px;
    font-size: 22px;
}

.typing-section.fs-mode .keyboard {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.typing-section.fs-mode .keyboard-dark {
    background: #18181b;
}

body.kb-dark-theme .typing-section.fs-mode {
    background: #0f0f12;
}

/* ==========================================================================
   5. Mobile Responsiveness for Keyboard
   ========================================================================== */
@media (max-width: 992px) {
    .key {
        min-width: 48px;
        height: 48px;
        font-size: 15px;
    }
    .space-key {
        min-width: 240px;
    }
}

@media (max-width: 768px) {
    .typing-section {
        padding: 18px 14px;
        border-radius: 16px;
    }
    .controls {
        gap: 6px;
    }
    .control-btn {
        padding: 7px 10px;
        font-size: 0.8rem;
    }
    .keyboard {
        padding: 10px 8px;
        border-radius: 12px;
    }
    .keyboard-row {
        gap: 2px;
        margin-bottom: 4px;
    }
    .key {
        min-width: 20px;
        height: 36px;
        font-size: 12px;
        border-radius: 5px;
        border-bottom-width: 2px;
    }
    .shift-char {
        font-size: 8px;
        top: 1px;
        right: 2px;
    }
    .english-letter {
        font-size: 7.5px;
        bottom: 1px;
        left: 2px;
    }
    .special-key {
        font-size: 9px;
        border-bottom-width: 2px;
    }
}