/* Общие кнопки и состояния основных действий. */

/* Базовая кнопка */
.btn {
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn span {
    display: inline-block;
    margin-left: 0.5rem;
}

/* Варианты */
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border-light);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

/* Общее основное действие */
:is(.btn-primary, .auth-submit, .cookie-btn-primary) {
    background: var(--action-primary-bg);
    color: var(--action-primary-text);
    border: none;
    font-weight: 600;
    box-shadow: var(--action-primary-shadow);
    transition: transform 0.1s ease, box-shadow 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
}

:is(.btn-primary, .auth-submit, .cookie-btn-primary):hover:not(:disabled):not([aria-disabled="true"]) {
    box-shadow: var(--action-primary-shadow-hover);
    filter: var(--action-primary-hover-filter);
}

:is(.btn-primary, .auth-submit, .cookie-btn-primary):active:not(:disabled):not([aria-disabled="true"]) {
    transform: translateY(var(--action-primary-active-offset));
}

:is(.btn-primary, .auth-submit, .cookie-btn-primary):focus-visible {
    outline: 2px solid var(--action-primary-focus-color);
    outline-offset: 3px;
    box-shadow: var(--action-primary-shadow-hover);
}

:is(.btn-primary, .auth-submit, .cookie-btn-primary):disabled,
:is(.btn-primary, .auth-submit, .cookie-btn-primary)[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: var(--action-primary-disabled-opacity);
    filter: none;
    box-shadow: none;
}

/* Размеры */
.btn-large {
    padding: 1rem 2.2rem;
    font-size: 1.05rem;
}