:root {
    /* PIN code modal specific variables - Light theme */
    --pin-digit-bg: var(--color-gray-50);
    --pin-digit-border: var(--color-gray-300);
    --pin-digit-text: var(--color-secondary-950);
    --pin-digit-focus-border: var(--color-primary-500);

    /* Pin keypad colors */
    --pin-key-bg: var(--color-gray-50);
    --pin-key-border: var(--color-gray-300);
    --pin-key-text: var(--color-secondary-950);
    --pin-key-hover-bg: var(--color-gray-100);

    /* Special key colors */
    --pin-key-clear-bg: var(--color-red-50);
    --pin-key-clear-text: var(--color-red-600);
    --pin-key-clear-border: var(--color-red-200);
    --pin-key-clear-hover-bg: var(--color-red-100);

    --pin-key-backspace-bg: var(--color-yellow-50);
    --pin-key-backspace-text: var(--color-yellow-600);
    --pin-key-backspace-border: var(--color-yellow-200);
    --pin-key-backspace-hover-bg: var(--color-yellow-100);
}

html.dark {
    /* PIN code modal specific variables - Dark theme */
    --pin-digit-bg: var(--color-gray-900);
    --pin-digit-border: var(--color-gray-700);
    --pin-digit-text: var(--color-secondary-50);
    --pin-digit-focus-border: var(--color-secondary-400);

    /* Pin keypad colors */
    --pin-key-bg: var(--color-gray-900);
    --pin-key-border: var(--color-gray-700);
    --pin-key-text: var(--color-secondary-50);
    --pin-key-hover-bg: var(--color-gray-800);

    /* Special key colors */
    --pin-key-clear-bg: var(--color-red-900);
    --pin-key-clear-text: var(--color-red-400);
    --pin-key-clear-border: var(--color-red-800);
    --pin-key-clear-hover-bg: var(--color-red-800);

    --pin-key-backspace-bg: var(--color-yellow-900);
    --pin-key-backspace-text: var(--color-yellow-400);
    --pin-key-backspace-border: var(--color-yellow-800);
    --pin-key-backspace-hover-bg: var(--color-yellow-800);
}

/* PIN Input Styles */
.pin-input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1rem 0;
}

.pin-inputs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.pin-digit {
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
    text-align: center;
    margin: 0;
    border: 2px solid var(--pin-digit-border);
    border-radius: 0.5rem;
    background-color: var(--pin-digit-bg);
    color: var(--pin-digit-text);
    box-shadow: var(--shadow-small);
    transition: var(--transition-smooth);
    -webkit-text-security: disc;
    cursor: not-allowed !important;
    /* For better security appearance */
}

.pin-digit:focus,
.pin-digit.active {
    border-color: var(--pin-digit-focus-border);
    box-shadow: var(--shadow-small-focus);
}

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-content: center;
    justify-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.pin-key {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--pin-key-border);
    border-radius: 0.5rem;
    background-color: var(--pin-key-bg);
    color: var(--pin-key-text);
    cursor: pointer;
    transition: var(--transition-smooth);
    flex: 1;
}

.pin-key:hover {
    background-color: var(--pin-key-hover-bg);
    transform: translateY(-2px);
}

.pin-key:active {
    transform: translateY(1px);
}

.pin-key-clear,
.pin-key-backspace {
    font-size: 1rem;
}

.pin-key-clear {
    background-color: var(--pin-key-clear-bg);
    color: var(--pin-key-clear-text);
    border-color: var(--pin-key-clear-border);
}

.pin-key-clear:hover {
    background-color: var(--pin-key-clear-hover-bg);
}

.pin-key-backspace {
    background-color: var(--pin-key-backspace-bg);
    color: var(--pin-key-backspace-text);
    border-color: var(--pin-key-backspace-border);
}

.pin-key-backspace:hover {
    background-color: var(--pin-key-backspace-hover-bg);
}

.pin-submit-btn {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 200px;
}

/* Responsive styles */
@media (max-width: 768px) {
    .pin-digit {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.25rem;
    }

    .pin-key {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.15rem;
    }

    .pin-key-clear,
    .pin-key-backspace {
        font-size: 0.75rem;
    }
}