.ui-surface,
.ui-card {
    background: var(--ui-color-surface);
    border: 1px solid var(--ui-color-border);
    border-radius: var(--ui-radius-xl);
    color: var(--ui-color-text);
}

.ui-card {
    padding: var(--ui-space-5);
}

.ui-button {
    appearance: none;
    border: 0;
    outline: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 45px;
    padding: 10px 20px;
    border-radius: var(--ui-radius-xl);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    color: var(--ui-color-text);
    background: var(--ui-color-accent);
    cursor: pointer;
    transition:
        background-color var(--ui-duration-fast) ease,
        color var(--ui-duration-fast) ease,
        opacity var(--ui-duration-fast) ease,
        transform var(--ui-duration-fast) ease;
}

.ui-button:hover,
.ui-button:active {
    color: var(--ui-color-text);
    background: var(--ui-color-accent-hover);
}

.ui-button:disabled,
.ui-button[disabled],
.ui-button.is-disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.ui-button--block {
    width: 100%;
}

.ui-button--danger {
    background: var(--ui-color-danger);
}

.ui-button--danger:hover,
.ui-button--danger:active {
    background: var(--ui-color-danger-hover);
}

.ui-button--success {
    background: var(--ui-color-success);
}

.ui-button--success:hover,
.ui-button--success:active {
    background: var(--ui-color-success-hover);
}

.ui-button--ghost,
.ui-button--secondary {
    color: var(--ui-color-text-soft);
    background: transparent;
    border: 1px solid var(--ui-color-border-strong);
}

.ui-button--ghost:hover,
.ui-button--ghost:active,
.ui-button--secondary:hover,
.ui-button--secondary:active {
    color: var(--ui-color-text);
    background: rgba(255, 255, 255, 0.08);
}

.ui-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ui-field__label {
    color: var(--ui-color-text-muted);
    font-size: 13px;
    font-weight: 500;
}

.ui-input,
.ui-field input,
.ui-field textarea,
.ui-field select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--ui-color-border);
    border-radius: var(--ui-radius-sm);
    background: #1e2328;
    color: var(--ui-color-text);
    padding: 10px 12px;
    outline: 0;
    transition: border-color var(--ui-duration-fast) ease, box-shadow var(--ui-duration-fast) ease;
}

.ui-input--promo {
    width: 100%;
    border: 1px solid var(--ui-color-border);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-color-surface-2);
    color: var(--ui-color-text);
    padding: 14px 16px;
    outline: 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    text-align: center;
    text-transform: uppercase;
}

.ui-input:focus,
.ui-field input:focus,
.ui-field textarea:focus,
.ui-field select:focus {
    border-color: var(--ui-color-accent);
    box-shadow: 0 0 0 3px var(--ui-color-accent-soft);
}

.ui-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 24px;
    padding: 3px 10px;
    border-radius: var(--ui-radius-pill);
    color: var(--ui-color-text-soft);
    background: rgba(255, 255, 255, 0.08);
    font-size: 12px;
    font-weight: 600;
}

.ui-badge--accent {
    color: #d8ecff;
    background: var(--ui-color-accent-soft);
}

.ui-badge--success {
    color: #dff8e9;
    background: rgba(61, 153, 102, 0.18);
}

.ui-badge--warning {
    color: #fff0d0;
    background: rgba(245, 158, 11, 0.18);
}

.ui-badge--danger {
    color: #ffe4e1;
    background: rgba(220, 78, 65, 0.18);
}

.ui-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.22);
    border-top-color: var(--ui-color-accent);
    border-radius: 50%;
    animation: ui-spin 0.8s linear infinite;
}

.ui-skeleton {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.07);
    border-radius: var(--ui-radius-sm);
}

.ui-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.09), transparent);
    animation: ui-skeleton-shimmer 1.3s infinite;
}

.ui-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--ui-z-overlay);
    background: var(--ui-color-overlay);
}

.ui-sheet,
.ui-modal {
    background: var(--ui-color-surface);
    color: var(--ui-color-text);
    border: 1px solid var(--ui-color-border);
    box-shadow: var(--ui-shadow-modal);
}

.ui-sheet {
    border-radius: var(--ui-radius-lg) var(--ui-radius-lg) 0 0;
    box-shadow: var(--ui-shadow-sheet);
}

.ui-modal {
    border-radius: var(--ui-radius-lg);
}

.ui-accordion {
    background: var(--ui-color-surface-3);
    border: 1px solid var(--ui-color-border);
    border-radius: var(--ui-radius-lg);
}

.ui-accordion__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 16px;
    border: 0;
    background: transparent;
    color: var(--ui-color-text);
    cursor: pointer;
}

.ui-accordion__body {
    padding: 0 16px 16px;
}