/* Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-ghost {
    color: var(--text-dim);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

/* Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.form-group input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 12px 16px;
    border-radius: 12px;
    color: white;
}

.form-group input:focus {
    border-color: var(--primary-border);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.auth-tab {
    flex: 1;
    text-align: center;
    padding: 12px;
    cursor: pointer;
    color: var(--text-dim);
    font-weight: 500;
    transition: var(--transition);
}

.auth-tab.active {
    color: white;
    border-bottom: 2px solid var(--primary);
}

/* Skeleton/Loading Overlay */
#loadingOverlay {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--primary-dim);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toasts */
#toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: #111;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 10000;
    display: none;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}