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

:root {
    --finger-lp: #6C63FF;  --finger-lp-dim: rgba(108, 99, 255, 0.6);  --finger-lp-bg: rgba(108, 99, 255, 0.4);  --finger-lp-glow: rgba(108, 99, 255, 0.6);
    --finger-lr: #4ECDC4;  --finger-lr-dim: rgba(78, 205, 196, 0.6);  --finger-lr-bg: rgba(78, 205, 196, 0.4);  --finger-lr-glow: rgba(78, 205, 196, 0.6);
    --finger-lm: #FF6B6B;  --finger-lm-dim: rgba(255, 107, 107, 0.6); --finger-lm-bg: rgba(255, 107, 107, 0.4); --finger-lm-glow: rgba(255, 107, 107, 0.6);
    --finger-li: #45B7D1;  --finger-li-dim: rgba(69, 183, 209, 0.6);  --finger-li-bg: rgba(69, 183, 209, 0.4);  --finger-li-glow: rgba(69, 183, 209, 0.6);
    --finger-ri: #96CEB4;  --finger-ri-dim: rgba(150, 206, 180, 0.6); --finger-ri-bg: rgba(150, 206, 180, 0.4); --finger-ri-glow: rgba(150, 206, 180, 0.6);
    --finger-rm: #FFEAA7;  --finger-rm-dim: rgba(255, 234, 167, 0.6); --finger-rm-bg: rgba(255, 234, 167, 0.4); --finger-rm-glow: rgba(255, 234, 167, 0.6);
    --finger-rr: #DDA0DD;  --finger-rr-dim: rgba(221, 160, 221, 0.6); --finger-rr-bg: rgba(221, 160, 221, 0.4); --finger-rr-glow: rgba(221, 160, 221, 0.6);
    --finger-rp: #98D8C8;  --finger-rp-dim: rgba(152, 216, 200, 0.6); --finger-rp-bg: rgba(152, 216, 200, 0.4); --finger-rp-glow: rgba(152, 216, 200, 0.6);
    --key-expected-bg: #FFD93D;
    --key-expected-border: #FFC107;
    --key-expected-glow: rgba(255, 217, 61, 0.9);
    --key-correct-bg: #1a9c52;
    --key-correct-border: #22c55e;
    --key-correct-glow: rgba(34, 197, 94, 0.95);
    --key-incorrect-bg: #c0392b;
    --key-incorrect-border: #ef4444;
    --key-incorrect-glow: rgba(239, 68, 68, 0.95);
    --tooltip-bg: rgba(0, 0, 0, 0.95);
}

/* ================================================
   KEYBOARD CONTAINER
   ================================================ */
.visual-keyboard {
    display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: var(--spacing-md);
    background: var(--theme-surface); border: 1px solid var(--theme-border);
    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(--theme-card); border: 2px solid var(--theme-border);
    border-radius: 8px; cursor: pointer;
    transition: all 0.1s ease; position: relative;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 2px 4px var(--theme-glow);
}

.key:hover { transform: translateY(-2px); border-color: var(--theme-border, #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 Hindi character on key */
.key-main {
    font-size: 1.3rem; font-weight: 600; color: var(--theme-text); line-height: 1;
    font-family: var(--font-hindi), 'KrutiDev010', serif;
    height: 28px; display: flex; align-items: center; justify-content: center;
}

/* QWERTY label */
.key-qwerty {
    font-size: 0.65rem; font-weight: 500; color: var(--theme-muted);
    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 */
.key.shift-key { background: var(--theme-surface); }
.key.shift-key.active {
    background: linear-gradient(180deg, var(--accent-secondary) 0%, var(--finger-lr) 100%);
    border-color: var(--accent-secondary);
}

/* ================================================
   FINGER ZONE COLORS
   ================================================ */
.key.finger-lp { border-color: var(--finger-lp-dim); }
.key.finger-lp .finger-dot { background: var(--finger-lp); }
.key.finger-lp.pressed, .key.finger-lp.active { background: var(--finger-lp-bg); border-color: var(--finger-lp); box-shadow: 0 0 15px var(--finger-lp-glow); }

.key.finger-lr { border-color: var(--finger-lr-dim); }
.key.finger-lr .finger-dot { background: var(--finger-lr); }
.key.finger-lr.pressed, .key.finger-lr.active { background: var(--finger-lr-bg); border-color: var(--finger-lr); box-shadow: 0 0 15px var(--finger-lr-glow); }

.key.finger-lm { border-color: var(--finger-lm-dim); }
.key.finger-lm .finger-dot { background: var(--finger-lm); }
.key.finger-lm.pressed, .key.finger-lm.active { background: var(--finger-lm-bg); border-color: var(--finger-lm); box-shadow: 0 0 15px var(--finger-lm-glow); }

.key.finger-li { border-color: var(--finger-li-dim); }
.key.finger-li .finger-dot { background: var(--finger-li); }
.key.finger-li.pressed, .key.finger-li.active { background: var(--finger-li-bg); border-color: var(--finger-li); box-shadow: 0 0 15px var(--finger-li-glow); }

.key.finger-ri { border-color: var(--finger-ri-dim); }
.key.finger-ri .finger-dot { background: var(--finger-ri); }
.key.finger-ri.pressed, .key.finger-ri.active { background: var(--finger-ri-bg); border-color: var(--finger-ri); box-shadow: 0 0 15px var(--finger-ri-glow); }

.key.finger-rm { border-color: var(--finger-rm-dim); }
.key.finger-rm .finger-dot { background: var(--finger-rm); }
.key.finger-rm.pressed, .key.finger-rm.active { background: var(--finger-rm-bg); border-color: var(--finger-rm); box-shadow: 0 0 15px var(--finger-rm-glow); }

.key.finger-rr { border-color: var(--finger-rr-dim); }
.key.finger-rr .finger-dot { background: var(--finger-rr); }
.key.finger-rr.pressed, .key.finger-rr.active { background: var(--finger-rr-bg); border-color: var(--finger-rr); box-shadow: 0 0 15px var(--finger-rr-glow); }

.key.finger-rp { border-color: var(--finger-rp-dim); }
.key.finger-rp .finger-dot { background: var(--finger-rp); }
.key.finger-rp.pressed, .key.finger-rp.active { background: var(--finger-rp-bg); border-color: var(--finger-rp); box-shadow: 0 0 15px var(--finger-rp-glow); }

/* ================================================
   KEY FEEDBACK STATES
   ================================================ */
.key.expected {
    opacity: 1 !important;
    background: var(--key-expected-bg) !important;
    border-color: var(--key-expected-border) !important;
    border-width: 3px !important;
    box-shadow: 0 0 18px var(--key-expected-glow), 0 0 6px var(--key-expected-glow) !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 var(--key-expected-glow); transform: scale(1); }
    50% { box-shadow: 0 0 40px var(--key-expected-bg); transform: scale(1.05); }
}

.key.correct {
    background: var(--key-correct-bg) !important;
    border-color: var(--key-correct-border) !important;
    border-width: 3px !important;
    box-shadow: 0 0 24px var(--key-correct-glow) !important;
    transform: scale(1.06) !important;
    transition: background 0.05s, box-shadow 0.05s !important;
}

.key.correct .key-main { color: var(--theme-invert) !important; text-shadow: 0 0 8px var(--key-correct-border) !important; font-weight: 700 !important; }
.key.correct .key-qwerty { color: #86efac !important; }

.key.incorrect {
    background: var(--key-incorrect-bg) !important;
    border-color: var(--key-incorrect-border) !important;
    border-width: 3px !important;
    box-shadow: 0 0 24px var(--key-incorrect-glow) !important;
    animation: keyShake 0.35s ease-in-out !important;
    transition: background 0.05s, box-shadow 0.05s !important;
}

.key.incorrect .key-main { color: var(--theme-invert) !important; text-shadow: 0 0 8px var(--key-incorrect-border) !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); }
}

.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;
}

.finger-dot.visible { display: block; }
.key.expected .finger-dot { display: block; }
.finger-guide-hidden .finger-dot { display: none !important; }

.key:hover::before {
    content: attr(data-finger);
    position: absolute; top: -30px; left: 50%; transform: translateX(-50%);
    background: var(--tooltip-bg); color: var(--theme-invert);
    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: var(--theme-surface); border: 1px solid var(--theme-border);
    border-radius: var(--radius-sm); color: var(--text-color);
    font-size: 0.85rem; cursor: pointer; transition: all var(--transition-fast);
}

.keyboard-toggle:hover { background: var(--theme-card); }
.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: var(--theme-surface); 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
   ================================================ */
.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; }