.btn-black {
    background: var(--black);
    color: var(--accent);
    border: 2px solid var(--black);
    border-radius: 8px;
    padding: 11px 22px;
    font-size: 12px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    text-align: center;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 var(--black);
    transition: box-shadow 0.15s, transform 0.15s;
}

.btn-black:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--primary-500);
}

.btn-black.disabled {
    opacity: 0.35 !important;
    pointer-events: none !important;
}

.btn-accent {
    background: var(--accent);
    color: var(--black);
    border: 2px solid var(--black);
    border-radius: 8px;
    padding: 11px 22px;
    font-size: 12px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    text-align: center;
    box-shadow: 3px 3px 0 var(--black);
    transition: box-shadow 0.15s, transform 0.15s;
}

.btn-accent:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--primary-500);
}

.btn-accent.disabled {
    opacity: 0.35 !important;
    pointer-events: none !important;
}

.btn-white {
    background: var(--background-card);
    color: var(--black);
    border: 2px solid var(--black);
    border-radius: 8px;
    padding: 11px 22px;
    font-size: 12px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--black);
    transition: background 0.15s, box-shadow 0.15s;
}

.btn-white:hover {
    background: var(--background-soft);
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--black);
}

.btn-white.disabled {
    opacity: 0.35 !important;
    pointer-events: none !important;
}

.btn-accent-sm {
    background: var(--accent);
    border: 2px solid var(--black);
    border-radius: 5px;
    padding: 4px 9px;
    font-size: 10px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: box-shadow 0.1s;
}

.btn-accent-sm:hover {
    box-shadow: 3px 3px 0 var(--black);
}

.btn-black-sm {
    background: var(--black);
    color: var(--accent);
    order: 2px solid var(--black);
    border-radius: 8px;
    padding: 7px 13px;
    font-size: 10px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    box-shadow: 3px 3px 0 var(--black);
}

.btn-ghost {
    background: var(--background-card);
    color: var(--gray-mid);
    border: 2px solid var(--black);
    border-radius: 8px;
    padding: 11px 22px;
    font-size: 12px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: background 0.12s;
}

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

.btn-icon {
    width: 32px;
    height: 32px;
    border: 2px solid var(--black);
    border-radius: 7px;
    background: var(--background-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: box-shadow 0.12s;
}

.btn-icon:hover {
    box-shadow: 3px 3px 0 var(--black);
}

.btn-step {
    margin-top: 18px;
    background: var(--black);
    color: var(--accent);
    border: 2px solid var(--black);
    border-radius: 8px;
    padding: 11px 24px;
    font-size: 12px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 var(--black);
    transition: box-shadow 0.12s, transform 0.12s;
    display: inline-block;
}

.btn-step:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--black);
}

.btn-step:disabled {
    opacity: 0.4;
    pointer-events: none;
}

.toggle-group {
    display: flex;
    border: 2px solid var(--black);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 3px 3px 0 var(--black);
}

.toggle-btn {
    padding: 7px 16px;
    font-size: 11px;
    font-weight: 700;
    background: var(--background-card);
    color: var(--gray-mid);
    border-right: 1px solid var(--black);
    cursor: pointer;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: background 0.12s, color 0.12s;
}

.toggle-btn:last-child {
    border-right: none;
}

.toggle-btn.on {
    background: var(--black);
    color: var(--accent);
}

.toggle-btn-p {
    padding: 3px 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--background-card);
    color: var(--gray-mid);
    border-right: 1px solid var(--black);
    transition: background 0.12s, color 0.12s;
    cursor: pointer;
}

.toggle-btn-p.on {
    background: var(--primary-500);
    color: var(--white);
}

.toggle-btn-p:last-child {
    border-right: none;
}

.toggle-btn-p:hover:not(.on) {
    background: var(--background-soft);
}