/* === Afitt Bistro Theme — Buttons === */

/* Primary Filled */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: var(--text-button-size);
    text-transform: none;
    letter-spacing: normal;
    background: var(--color-brand-orange);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-button);
    transition: background var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
    min-height: 44px;
    line-height:var(--leading-ui);
}

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

.btn-primary:focus-visible {
    outline: var(--focus-ring-width) solid var(--color-brand-orange);
    outline-offset: var(--focus-ring-offset);
}

.btn-primary:active {
    transform: scale(var(--scale-active));
}

.btn-primary:disabled,
.btn-primary[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary.loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 1em;
    height: 1em;
    border: 2px solid var(--color-text-inverse);
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

/* Secondary Outlined */
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: var(--text-button-size);
    text-transform: none;
    letter-spacing: normal;
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    transition: border-color var(--transition-fast), color var(--transition-fast);
    cursor: pointer;
    min-height: 44px;
    line-height:var(--leading-ui);
}

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

.btn-outline:focus-visible {
    outline: var(--focus-ring-width) solid var(--color-border-medium);
    outline-offset: var(--focus-ring-offset);
}

.btn-outline:active {
    transform: scale(var(--scale-active));
}

.btn-outline:disabled,
.btn-outline[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Size Variants */
.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 14px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 18px;
}

/* Round Control Buttons */
.btn-round {
    width: var(--control-round-size);
    height: var(--control-round-size);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast);
    flex-shrink: 0;
}

.btn-round--primary {
    background: var(--color-brand-orange);
    color: var(--color-text-inverse);
}

.btn-round--ghost {
    background: var(--color-surface-glass);
    color: var(--color-text-inverse);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.btn-round:hover {
    background: var(--color-brand-orange-hover);
}

.btn-round--ghost:hover {
    background: rgba(255, 255, 255, 0.35);
}

.btn-round:focus-visible {
    outline: var(--focus-ring-width) solid var(--color-brand-orange);
    outline-offset: var(--focus-ring-offset);
}

.btn-round:active {
    transform: scale(var(--scale-round-active));
}

.btn-round:disabled,
.btn-round[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-round.loading {
    pointer-events: none;
}

.btn-round.loading::after {
    content: '';
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* Full Width */
.btn-full {
    width: 100%;
}