/* Secure PIN keypad — matches Vril Chat premium messaging */

.vril-pin-keypad {
    position: relative;
    --pin-key-bg: rgba(255, 255, 255, 0.06);
    --pin-key-bg-hover: rgba(var(--tblr-primary-rgb, 102, 126, 234), 0.22);
    --pin-key-border: rgba(148, 163, 184, 0.22);
    --pin-key-text: inherit;
    --pin-dot-filled: rgba(var(--tblr-primary-rgb, 102, 126, 234), 0.95);
    --pin-dot-empty: rgba(148, 163, 184, 0.35);
    max-width: 18rem;
    margin-left: auto;
    margin-right: auto;
    user-select: none;
    -webkit-user-select: none;
}

[data-bs-theme="light"] .vril-pin-keypad {
    --pin-key-bg: rgba(0, 0, 0, 0.04);
    --pin-key-bg-hover: rgba(var(--tblr-primary-rgb, 32, 107, 196), 0.12);
    --pin-key-border: rgba(0, 0, 0, 0.1);
}

.vril-pin-keypad__display {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: 2.75rem;
    margin-bottom: 1.25rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.75rem;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid var(--pin-key-border);
    cursor: text;
}

[data-bs-theme="light"] .vril-pin-keypad__display {
    background: rgba(255, 255, 255, 0.85);
}

.vril-pin-keypad__dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    flex-shrink: 0;
    transition: transform 0.12s ease, background 0.12s ease;
}

.vril-pin-keypad__dot--filled {
    background: var(--pin-dot-filled);
    transform: scale(1.05);
    box-shadow: 0 0 0 2px rgba(var(--tblr-primary-rgb, 102, 126, 234), 0.25);
}

.vril-pin-keypad__dot--empty {
    background: transparent;
    border: 2px solid var(--pin-dot-empty);
}

.vril-pin-keypad__hint {
    font-size: 0.75rem;
    color: var(--tblr-secondary, #94a3b8);
    text-align: center;
    margin-top: -0.75rem;
    margin-bottom: 1rem;
}

.vril-pin-keypad__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.55rem;
}

.vril-pin-keypad__key {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3.1rem;
    border: 1px solid var(--pin-key-border);
    border-radius: 0.75rem;
    background: var(--pin-key-bg);
    color: var(--pin-key-text);
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 0.12s ease, transform 0.08s ease, border-color 0.12s ease;
    touch-action: manipulation;
}

.vril-pin-keypad__key:hover:not(:disabled) {
    background: var(--pin-key-bg-hover);
    border-color: rgba(var(--tblr-primary-rgb, 102, 126, 234), 0.45);
}

.vril-pin-keypad__key:active:not(:disabled) {
    transform: scale(0.96);
}

.vril-pin-keypad__key:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.vril-pin-keypad__key--action {
    font-size: 1rem;
    font-weight: 500;
}

.vril-pin-keypad__key--submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
}

.vril-pin-keypad__key--submit:hover:not(:disabled) {
    background: linear-gradient(135deg, #5a72e4 0%, #6a4398 100%);
    border-color: transparent;
    filter: brightness(1.05);
}

.vril-pin-keypad__error {
    text-align: center;
    margin-top: 1rem;
}

.vril-pin-keypad--compact .vril-pin-keypad__key {
    min-height: 2.75rem;
    font-size: 1.2rem;
}

.vril-pin-keypad--compact .vril-pin-keypad__display {
    min-height: 2.35rem;
    margin-bottom: 1rem;
}

.vril-pin-keypad__capture {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: inherit;
    background: transparent !important;
    color: transparent !important;
    caret-color: transparent !important;
    outline: none !important;
    box-shadow: none !important;
    opacity: 0 !important;
    z-index: 2;
    min-height: 0 !important;
    appearance: none;
    -webkit-appearance: none;
}