button,
.btn {
    -webkit-tap-highlight-color: transparent;
}

.btn,
button.btn,
a.btn,
input[type="submit"].btn,
input[type="button"].btn {
    appearance: none;
    border: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 48px;
    min-width: 44px;
    padding: 13px 22px;
    border-radius: 999px;
    font: inherit;
    font-weight: 800;
    letter-spacing: 0.01em;
    text-decoration: none;
    line-height: 1.1;
    user-select: none;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.38) 45%, transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.42s ease;
    pointer-events: none;
}

.btn:hover::before,
.btn:focus-visible::before {
    transform: translateX(120%);
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-2px);
    outline: none;
}

.btn:focus-visible {
    box-shadow: var(--focus-ring), 0 12px 28px rgba(0, 0, 0, 0.22);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary {
    color: #2f2618;
    background: linear-gradient(145deg, var(--honey-2), var(--honey-dark));
    box-shadow: 0 10px 24px rgba(201, 130, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    box-shadow: 0 15px 30px rgba(201, 130, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.48);
}

.btn-secondary {
    color: var(--link-text);
    background: linear-gradient(145deg, var(--card-solid), var(--card-soft));
    border: 1px solid var(--border-warm);
    box-shadow: 0 8px 20px rgba(47, 38, 24, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.40);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: linear-gradient(145deg, var(--card-soft), var(--card-solid));
    box-shadow: 0 12px 26px rgba(47, 38, 24, 0.16);
}

.btn-success {
    color: #10240f;
    background: linear-gradient(145deg, #b9e986, #67b851);
    box-shadow: 0 10px 24px rgba(56, 128, 38, 0.28);
}

.btn-info {
    color: #081b25;
    background: linear-gradient(145deg, #a9e9ff, #45b9dc);
    box-shadow: 0 10px 24px rgba(22, 130, 170, 0.26);
}

.btn-warning {
    color: #2f2105;
    background: linear-gradient(145deg, #ffe08a, #f1a62d);
    box-shadow: 0 10px 24px rgba(197, 118, 0, 0.30);
}

.btn-danger {
    color: #fff9f6;
    background: linear-gradient(145deg, #ff7a61, #c82d17);
    box-shadow: 0 10px 24px rgba(172, 45, 20, 0.30);
}

.btn-dark {
    color: #fff6dc;
    background: linear-gradient(145deg, #4c3c24, #1d160d);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.btn-light {
    color: #382912;
    background: linear-gradient(145deg, #ffffff, #fff0bd);
    border: 1px solid rgba(201, 130, 0, 0.22);
    box-shadow: 0 8px 20px rgba(47, 38, 24, 0.12);
}

.btn-ghost {
    color: var(--page-text);
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid var(--nav-border);
    box-shadow: none;
    backdrop-filter: blur(8px);
}

.btn-outline {
    color: var(--link-text);
    background: transparent;
    border: 2px solid var(--border-warm);
    box-shadow: none;
}

.btn-soft {
    color: var(--green);
    background: var(--soft-green);
    border: 1px solid rgba(70, 107, 63, 0.18);
    box-shadow: 0 8px 18px rgba(47, 38, 24, 0.08);
}

.btn-small,
.btn-sm {
    min-height: 38px;
    padding: 8px 14px;
    font-size: 14px;
}

.btn-large,
.btn-lg {
    min-height: 56px;
    padding: 16px 28px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 46px;
    min-width: 46px;
    padding: 0;
    aspect-ratio: 1;
}

.btn[disabled],
.btn.is-disabled,
button[disabled] {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none !important;
    box-shadow: none !important;
}

.theme-toggle {
    min-height: 42px;
    padding: 10px 14px;
    color: #fff;
    background: var(--nav-bg);
    border: 1px solid var(--nav-border);
    box-shadow: none;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    background: var(--nav-bg-hover);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.auth-card .theme-toggle,
.roles-shell .theme-toggle {
    color: var(--page-text);
    background: var(--card-soft);
    border-color: var(--border-warm);
}

@media (max-width: 460px) {
    .btn,
    button.btn,
    a.btn {
        width: 100%;
    }

    .theme-toggle {
        width: 100%;
    }
}