/* Virtual Keyboard Styles */
.v-keyboard {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    transition: bottom 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 15px 10px env(safe-area-inset-bottom);
    display: flex;
    justify-content: center;
    user-select: none;
}

.v-keyboard.open {
    bottom: 0;
}

.v-keyboard-content {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v-keyboard-row {
    display: flex;
    justify-content: center;
    gap: 6px;
    width: 100%;
}

.k-btn {
    flex: 1;
    height: 52px;
    min-width: 40px;
    background: #ffffff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.1);
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.1s active;
}

.k-btn:active {
    transform: translateY(2px);
    box-shadow: none;
    background: #f1f5f9;
}

.k-special {
    flex: 1.5;
    background: #e2e8f0;
    color: #475569;
}

.k-space {
    flex: 5;
}

.k-close {
    flex: 1.5;
    background: #1e293b;
    color: white;
}

.k-btn.active {
    background: #3b82f6;
    color: white;
}

/* Numeric layout optimization */
.v-keyboard-content[data-layout="numeric"] {
    max-width: 320px;
    margin: 0 auto;
}

/* Dark Mode support if needed */
@media (prefers-color-scheme: dark) {
    .v-keyboard {
        background: rgba(15, 23, 42, 0.9);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .k-btn {
        background: #334155;
        color: #f8fafc;
        box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
    }
    .k-btn:active {
        background: #1e293b;
    }
    .k-special {
        background: #1e293b;
        color: #94a3b8;
    }
}