/* ============================================================
   VS Overlay Panel - Buttons (buttons.css)
   Tüm buton varyantları, skor butonları, ikonlu butonlar
   ============================================================ */

/* --- Base Button --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-family);
    line-height: 1.4;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-fast);
    background-color: var(--color-border);
    color: var(--color-text);
    user-select: none;
}

.btn:hover {
    text-decoration: none;
    filter: brightness(0.95);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn:active {
    transform: translateY(0);
    filter: brightness(0.9);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* --- Button Variants --- */
.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
}

.btn-secondary {
    background-color: #64748b;
    color: #fff;
    border-color: #64748b;
}

.btn-secondary:hover {
    background-color: #475569;
    border-color: #475569;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background-color: var(--color-bg);
    border-color: var(--color-text-secondary);
    color: var(--color-text);
}

.btn-danger {
    background-color: var(--color-error);
    color: #fff;
    border-color: var(--color-error);
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
    color: #fff;
}

.btn-danger-outline {
    background-color: transparent;
    color: var(--color-error);
    border-color: var(--color-error);
}

.btn-danger-outline:hover {
    background-color: #fef2f2;
    color: #dc2626;
}

.btn-success {
    background-color: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}

.btn-success:hover {
    background-color: #16a34a;
    border-color: #16a34a;
    color: #fff;
}

/* --- Button Sizes --- */
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 4px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-lg);
}

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
    padding: 5px;
}

/* --- Score Buttons (Oyuncu panelindeki +/− butonları) --- */
.btn-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: #fff;
    box-shadow: var(--shadow-sm);
    user-select: none;
}

.btn-score:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
}

.btn-score:active {
    transform: scale(0.95);
}

.btn-score:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-score-increase {
    background-color: var(--color-success);
}

.btn-score-increase:hover {
    background-color: #16a34a;
}

.btn-score-decrease {
    background-color: var(--color-error);
}

.btn-score-decrease:hover {
    background-color: #dc2626;
}

/* --- Flip Button --- */
.btn-flip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 1.4rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-flip:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: rotate(180deg);
    box-shadow: var(--shadow-md);
}

.btn-flip:active {
    transform: rotate(180deg) scale(0.9);
}

/* --- Copy Button (OBS Link kopyalama) --- */
.btn-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-copy:active {
    transform: scale(0.95);
}

/* Kopyalama başarılı feedback */
.btn-copy.copied {
    background-color: #f0fdf4;
    border-color: var(--color-success);
    color: var(--color-success);
}

/* --- Sosyal Login --- */
.social-login {
    margin-bottom: var(--space-lg);
    text-align: center;
}

.social-login-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.social-login-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

/* --- Sosyal Login Butonları --- */
.btn-social {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    color: #fff;
    border: none;
}

.btn-social:hover {
    filter: brightness(0.9);
    color: #fff;
}

.btn-google { background-color: #ea4335; }
.btn-twitch { background-color: #9146ff; }
.btn-discord { background-color: #5865F2; }
.btn-steam { background-color: #171a21; }
.btn-x { background-color: #000000; }
.btn-kick { background-color: #53fc18; color: #000; }

/* --- Disabled State --- */
.btn:disabled,
.btn-score:disabled,
.btn-flip:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
    box-shadow: none !important;
}

/* --- Loading State --- */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

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