/* FullMoon MMO - Button Component */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: var(--touch-target);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family-display);
    /* Cinzel for all buttons */
    font-size: var(--font-size-base);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--theme-accent);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

.btn:active:not(:disabled) {
    transform: translateY(1px);
    filter: brightness(0.98);
}

/* Primary Button (Main Action) */
.btn--primary {
    background: linear-gradient(to bottom, var(--theme-primary-light), var(--theme-primary));
    color: var(--color-white);
    border-color: rgba(0, 0, 0, 0.55);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.5);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.btn--primary:hover:not(:disabled) {
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 0 15px rgba(0, 0, 0, 0.35);
    filter: brightness(1.12) saturate(1.05);
    transform: translateY(-1px);
}

.btn--primary:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Secondary Button (Ghost/Outline) */
.btn--secondary {
    background: rgba(0, 0, 0, 0.4);
    color: var(--theme-accent);
    border: 1px solid var(--theme-accent);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.btn--secondary:hover:not(:disabled) {
    background: rgba(212, 175, 55, 0.1);
    /* Gold tint */
    color: var(--theme-accent-glow);
    border-color: var(--theme-accent-glow);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.btn--secondary:active:not(:disabled) {
    background: rgba(212, 175, 55, 0.18);
    transform: translateY(1px);
}

/* Ghost Button (Minimal) */
.btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
    border-color: transparent;
    font-family: var(--font-family);
    /* Less decorative */
    text-transform: none;
    font-weight: 500;
}

.btn--ghost:hover:not(:disabled) {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

/* Accent Button (Gold/Special) */
.btn--accent {
    background: linear-gradient(to bottom, var(--theme-accent-glow), var(--theme-accent));
    color: #4a3b00;
    /* Dark gold text */
    border-color: #8a7008;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 2px 4px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn--accent:hover:not(:disabled) {
    filter: brightness(1.1);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.6);
}

/* Danger Button */
.btn--danger {
    background: transparent;
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.btn--danger:hover:not(:disabled) {
    background: var(--color-error);
    color: var(--color-white);
    box-shadow: 0 0 10px rgba(198, 40, 40, 0.4);
}

.btn--danger:active:not(:disabled) {
    transform: translateY(1px);
    filter: brightness(0.95);
}

/* Sizes */
.btn--sm {
    min-height: 32px;
    padding: 0 var(--spacing-md);
    font-size: 0.75rem;
}

.btn--lg {
    min-height: 56px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn--full {
    width: 100%;
}

/* Icon Button */
.btn--icon {
    width: var(--touch-target);
    height: var(--touch-target);
    padding: 0;
    border-radius: var(--border-radius-full);
}

/* Loading State */
.btn--loading {
    color: transparent !important;
    text-shadow: none !important;
}

.btn--loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn--loading.btn--primary::after,
.btn--loading.btn--accent::after {
    border-color: rgba(255, 255, 255, 0.8);
    border-top-color: transparent;
}

@media (max-width: 360px) {
    .btn {
        min-height: 38px;
        padding: 0.45rem 0.7rem;
        font-size: 0.8rem;
        letter-spacing: 0.03em;
        gap: 6px;
    }

    .btn--sm {
        min-height: 32px;
        padding: 0 0.6rem;
        font-size: 0.72rem;
    }

    .btn--lg {
        min-height: 44px;
        padding: 0.6rem 0.9rem;
        font-size: 0.9rem;
    }
}