/* Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding-block: 0.625rem;
    padding-inline: 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    min-height: var(--touch-target-min);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
}

.btn--primary:hover {
    background-color: var(--color-primary-light);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-text-inverted);
}

.btn--accent:hover {
    background-color: var(--color-accent-hover);
}

.btn--outline {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-main);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--danger {
    background-color: var(--color-danger);
    color: var(--color-text-inverted);
}

.btn--sm {
    min-height: 36px;
    padding-block: 0.35rem;
    padding-inline: 0.75rem;
    font-size: var(--text-xs);
}

/* Card Component */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
}

/* Form Controls */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1.25rem;
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-main);
}

.form-label--required::after {
    content: " *";
    color: var(--color-danger);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    min-height: var(--touch-target-min);
    padding-inline: 1rem;
    padding-block: 0.625rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: var(--color-text-main);
    transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: 0.25rem;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 1rem;
}

.modal {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    animation: modalSlideUp 0.2s ease-out;
}

@keyframes modalSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal__header {
    padding-block: 1.25rem;
    padding-inline: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal__body {
    padding: 1.5rem;
}

.modal__footer {
    padding-block: 1rem;
    padding-inline: 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    background-color: var(--color-surface-subtle);
}

/* Manager PIN Keypad */
.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    max-width: 280px;
    margin-inline: auto;
    margin-top: 1rem;
}

.pin-pad__key {
    height: 56px;
    border-radius: var(--radius-md);
    background-color: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    font-size: var(--text-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.pin-pad__key:hover {
    background-color: var(--color-border);
}

.pin-pad__key:active {
    background-color: var(--color-accent);
    color: var(--color-text-inverted);
}