/* ================================================
   Punjabi Typing Tutorial - Visual Keyboard Styles
   Interactive keyboard with finger zone coloring
   ================================================ */

/* ================================================
   KEYBOARD CONTAINER
   ================================================ */
.visual-keyboard {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-md);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    user-select: none;
    transition: background-color 0.3s;
}

.keyboard-row {
    display: flex;
    gap: 5px;
    justify-content: center;
}

/* ================================================
   INDIVIDUAL KEY STYLES
   ================================================ */
.key {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    height: 55px;
    padding: 4px;
    background: var(--nav-color);
    border: 2px solid var(--boxshadow-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.1s ease;
    position: relative;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 2px 4px var(--border-color);
}

.key:hover {
    transform: translateY(-2px);
    border-color: #777;
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.key:active {
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Main Punjabi character on key */
.key-main {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--a-color);
    line-height: 1;
    font-family: var(--font-punjabi), 'AnmolLipi', sans-serif;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* QWERTY label - small, light, at bottom */
.key-qwerty {
    font-size: 0.65rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.35);
    text-transform: uppercase;
    margin-top: 2px;
    line-height: 1;
}

/* Special key sizes */
.key.wide {
    min-width: 70px;
}
.key.wide.key.space {
    min-width: 350px;
    height: 50px;
    padding-left: 30px;
    padding-right: 30px;
}
.key.wide.key.shift {
    min-width: 85px;
}
.key.center {
    justify-content: center;
}
.key.right {
    justify-content: flex-end;
    padding-right: 10px;
}

/* Shift key styling */
.key.shift-key {
    background: var(--background-color);
}
.key.shift-key.active {
    background: linear-gradient(180deg, var(--accent-secondary) 0%, #3aa89d 100%);
    border-color: var(--accent-secondary);
}

/* ================================================
   FINGER ZONE COLORS - Border indicator
   ================================================ */

/* Left Pinky - Purple */
.key.finger-lp {
    border-color: rgba(108, 99, 255, 0.6);
}
.key.finger-lp .finger-dot {
    background: #6C63FF;
}
.key.finger-lp.pressed,
.key.finger-lp.active {
    background: rgba(108, 99, 255, 0.4);
    border-color: #6C63FF;
    box-shadow: 0 0 15px rgba(108, 99, 255, 0.6);
}

/* Left Ring - Teal */
.key.finger-lr {
    border-color: rgba(78, 205, 196, 0.6);
}
.key.finger-lr .finger-dot {
    background: #4ECDC4;
}
.key.finger-lr.pressed,
.key.finger-lr.active {
    background: rgba(78, 205, 196, 0.4);
    border-color: #4ECDC4;
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.6);
}

/* Left Middle - Coral */
.key.finger-lm {
    border-color: rgba(255, 107, 107, 0.6);
}
.key.finger-lm .finger-dot {
    background: #FF6B6B;
}
.key.finger-lm.pressed,
.key.finger-lm.active {
    background: rgba(255, 107, 107, 0.4);
    border-color: #FF6B6B;
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.6);
}

/* Left Index - Sky Blue */
.key.finger-li {
    border-color: rgba(69, 183, 209, 0.6);
}
.key.finger-li .finger-dot {
    background: #45B7D1;
}
.key.finger-li.pressed,
.key.finger-li.active {
    background: rgba(69, 183, 209, 0.4);
    border-color: #45B7D1;
    box-shadow: 0 0 15px rgba(69, 183, 209, 0.6);
}

/* Right Index - Sage */
.key.finger-ri {
    border-color: rgba(150, 206, 180, 0.6);
}
.key.finger-ri .finger-dot {
    background: #96CEB4;
}
.key.finger-ri.pressed,
.key.finger-ri.active {
    background: rgba(150, 206, 180, 0.4);
    border-color: #96CEB4;
    box-shadow: 0 0 15px rgba(150, 206, 180, 0.6);
}

/* Right Middle - Yellow */
.key.finger-rm {
    border-color: rgba(255, 234, 167, 0.6);
}
.key.finger-rm .finger-dot {
    background: #FFEAA7;
}
.key.finger-rm.pressed,
.key.finger-rm.active {
    background: rgba(255, 234, 167, 0.4);
    border-color: #FFEAA7;
    box-shadow: 0 0 15px rgba(255, 234, 167, 0.6);
}

/* Right Ring - Plum */
.key.finger-rr {
    border-color: rgba(221, 160, 221, 0.6);
}
.key.finger-rr .finger-dot {
    background: #DDA0DD;
}
.key.finger-rr.pressed,
.key.finger-rr.active {
    background: rgba(221, 160, 221, 0.4);
    border-color: #DDA0DD;
    box-shadow: 0 0 15px rgba(221, 160, 221, 0.6);
}

/* Right Pinky - Mint */
.key.finger-rp {
    border-color: rgba(152, 216, 200, 0.6);
}
.key.finger-rp .finger-dot {
    background: #98D8C8;
}
.key.finger-rp.pressed,
.key.finger-rp.active {
    background: rgba(152, 216, 200, 0.4);
    border-color: #98D8C8;
    box-shadow: 0 0 15px rgba(152, 216, 200, 0.6);
}

/* ================================================
   KEY FEEDBACK STATES (Highest Priority)
   ================================================ */

/* Expected key to press - solid bright YELLOW, highest priority */
.key.expected {
    opacity: 1 !important;           /* prevent keyAppear-fill loss from making key invisible */
    background: #FFD93D !important;
    border-color: #FFC107 !important;
    border-width: 3px !important;
    box-shadow: 0 0 18px rgba(255, 217, 61, 0.9), 0 0 6px rgba(255, 217, 61, 0.6) !important;
    animation: keyPulse 0.7s ease-in-out infinite !important;
    transform: scale(1.05) !important;
}

.key.expected .key-main {
    color: #1a1a1a !important;
    text-shadow: none !important;
    font-weight: 700 !important;
}

.key.expected .key-qwerty {
    color: #5a3e00 !important;
    font-weight: 700 !important;
}

@keyframes keyPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 217, 61, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 217, 61, 1);
        transform: scale(1.05);
    }
}

/* Correct key pressed - GREEN (overrides all finger-zone colors) */
.key.correct {
    background: #1a9c52 !important;
    border-color: #22c55e !important;
    border-width: 3px !important;
    box-shadow: 0 0 24px rgba(34, 197, 94, 0.95) !important;
    transform: scale(1.06) !important;
    transition: background 0.05s, box-shadow 0.05s !important;
}

.key.correct .key-main {
    color: #ffffff !important;
    text-shadow: 0 0 8px rgba(34, 197, 94, 1) !important;
    font-weight: 700 !important;
}

.key.correct .key-qwerty {
    color: #86efac !important;
}

/* Incorrect key pressed - RED (overrides all finger-zone colors) */
.key.incorrect {
    background: #c0392b !important;
    border-color: #ef4444 !important;
    border-width: 3px !important;
    box-shadow: 0 0 24px rgba(239, 68, 68, 0.95) !important;
    animation: keyShake 0.35s ease-in-out !important;
    transition: background 0.05s, box-shadow 0.05s !important;
}

.key.incorrect .key-main {
    color: #ffffff !important;
    text-shadow: 0 0 8px rgba(239, 68, 68, 1) !important;
    font-weight: 700 !important;
}

.key.incorrect .key-qwerty {
    color: #fca5a5 !important;
}

@keyframes keyShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-3px); }
    40% { transform: translateX(3px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}

/* Currently pressed */
.key.pressed {
    transform: scale(0.95) translateY(2px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* ================================================
   FINGER DOT INDICATOR
   ================================================ */
.finger-dot {
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0.9;
    box-shadow: 0 0 6px currentColor;
    display: none; /* Hidden by default */
}

.finger-dot.visible {
    display: block;
}

/* Show finger dot when key is expected */
.key.expected .finger-dot {
    display: block;
}

/* Finger guide hidden mode */
.finger-guide-hidden .finger-dot {
    display: none !important;
}

/* Finger label on hover */
.key:hover::before {
    content: attr(data-finger);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.95);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 10;
}

.key:hover::before {
    opacity: 1;
}

/* ================================================
   KEYBOARD CONTROLS
   ================================================ */
.keyboard-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.keyboard-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.keyboard-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.keyboard-toggle.active {
    background: rgba(78, 205, 196, 0.2);
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

/* ================================================
   KEYBOARD ANIMATIONS
   ================================================ */
@keyframes keyAppear {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.keyboard-row .key {
    animation: keyAppear 0.3s ease forwards;
    opacity: 0;
}

.keyboard-row:nth-child(1) .key { animation-delay: 0.05s; }
.keyboard-row:nth-child(2) .key { animation-delay: 0.1s; }
.keyboard-row:nth-child(3) .key { animation-delay: 0.15s; }
.keyboard-row:nth-child(4) .key { animation-delay: 0.2s; }
.keyboard-row:nth-child(5) .key { animation-delay: 0.25s; }

/* ================================================
   MOBILE KEYBOARD VIEW
   ================================================ */
.mobile-keyboard-hint {
    display: none;
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .visual-keyboard {
        display: none;
    }

    .mobile-keyboard-hint {
        display: block;
    }

    .keyboard-controls {
        display: none;
    }
}

/* ================================================
   MINI KEYBOARD (FOR LESSON PREVIEW)
   ================================================ */
.mini-keyboard {
    transform: scale(0.7);
    transform-origin: center;
    opacity: 0.8;
}

.mini-keyboard .key {
    min-width: 40px;
    height: 42px;
}

.mini-keyboard .key-main {
    font-size: 0.9rem;
}